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Discussion of precise time and frequency measurement

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Powering up a long inactive 5061A

BK
Bob kb8tq
Fri, Jun 16, 2017 1:09 PM

Hi

I would claim that anybody with 450 clocks to tend is indeed a Time Nut ….:)

Bob

On Jun 15, 2017, at 10:37 PM, Bill Hawkins bill.iaxs@pobox.com wrote:

Happened to watch a PBS/BBC program called "Queen's Castle" episode 102

  • Four Seasons, that was filmed in 2005 at Windsor, not Buckingham.

One of the segments was about the castle timekeeper, Steve Davison. He's
responsible for 450 clocks, some 300 years old. His biggest challenge is
the end of British Summer Time, when each clock must be advanced 11
hours, stopping until striking finishes. Old clocks were not designed
for Fall Back. Takes him 16 hours.

There was a brief shot of his workshop, with a clock repair in progress.
No sign of a time standard. No discussion of leap seconds, either.

Tried to find him, but only found a 2013 ad for a time keeper to
maintain 1000 clocks in various castles.

Hope that wasn't too far off topic.

Bill Hawkins


time-nuts mailing list -- time-nuts@febo.com
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and follow the instructions there.

Hi I would claim that anybody with 450 clocks to tend is indeed a Time Nut ….:) Bob > On Jun 15, 2017, at 10:37 PM, Bill Hawkins <bill.iaxs@pobox.com> wrote: > > Happened to watch a PBS/BBC program called "Queen's Castle" episode 102 > - Four Seasons, that was filmed in 2005 at Windsor, not Buckingham. > > One of the segments was about the castle timekeeper, Steve Davison. He's > responsible for 450 clocks, some 300 years old. His biggest challenge is > the end of British Summer Time, when each clock must be advanced 11 > hours, stopping until striking finishes. Old clocks were not designed > for Fall Back. Takes him 16 hours. > > There was a brief shot of his workshop, with a clock repair in progress. > No sign of a time standard. No discussion of leap seconds, either. > > Tried to find him, but only found a 2013 ad for a time keeper to > maintain 1000 clocks in various castles. > > Hope that wasn't too far off topic. > > Bill Hawkins > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.
JH
Jerry Hancock
Fri, Jun 16, 2017 8:01 PM

I’m missing something here.  Advancing the clocks 11 hours is the same as setting it back one hour.  There was an article about a person that had 300 clocks with the same problem and I don’t understand the issue and I might be overlooking something or not remembering it correctly.  If you have to set them forward, no big deal, you just wind them forward as this doesn’t violate the law (of winding them backwards) which is verboten;  If you have to set them backwards (+11 hours), you just stop the clock(s) for an hour or wind them forwards.  Setting them back an hour is the same as going forwards 11 hours or stopping the clock for an hour.  You might lose a second or two running around the estate but it doesn’t violate the “forward only” rule.

I have an International Time Recorder (ITR) clock in my basement and I agree, though you can move it backwards (most have a slip-clutch with two plates and a spring pressing them together) you don’t want to do that as it is hard on the mechanism.  I also think that setting it backward would, or could, upset the chime mechanism timing.  When you slip the clock forward, it is usually just the final dial drive that is connected to the clutch so if it has a chime mechanism, that has to be adjusted separately.  I usually just stop the clock for an hour and if I miss the restart, I just catch up as moving it forward as stated, causing no harm to the mechanism.  So though running around the estate setting a couple hundred clocks would be a pain, it doesn’t require much thinking so I don’t get the issue.

I sent this note to my best friend, Dave Dietrich, who resides in Connecticut and is the current authority on master clocks having hundreds (if not a thousand) master clocks as well as time recorders, mostly from International Time Recorder, the founding company of IBM, for whom we both worked for over 25yrs. Dave has been setting up displays of his clocks, one of which is the most stunning being in Stamford, Ct, at the Stamford building.  These clocks are mechanical works of art that he restores.  I recently suggested he join time-nuts as if he isn’t a time-nut, then I question the definition.

Jerry

On Jun 16, 2017, at 6:09 AM, Bob kb8tq kb8tq@n1k.org wrote:

Hi

I would claim that anybody with 450 clocks to tend is indeed a Time Nut ….:)

Bob

On Jun 15, 2017, at 10:37 PM, Bill Hawkins bill.iaxs@pobox.com wrote:

Happened to watch a PBS/BBC program called "Queen's Castle" episode 102

  • Four Seasons, that was filmed in 2005 at Windsor, not Buckingham.

One of the segments was about the castle timekeeper, Steve Davison. He's
responsible for 450 clocks, some 300 years old. His biggest challenge is
the end of British Summer Time, when each clock must be advanced 11
hours, stopping until striking finishes. Old clocks were not designed
for Fall Back. Takes him 16 hours.

There was a brief shot of his workshop, with a clock repair in progress.
No sign of a time standard. No discussion of leap seconds, either.

Tried to find him, but only found a 2013 ad for a time keeper to
maintain 1000 clocks in various castles.

Hope that wasn't too far off topic.

Bill Hawkins


time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.


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and follow the instructions there.

I’m missing something here. Advancing the clocks 11 hours is the same as setting it back one hour. There was an article about a person that had 300 clocks with the same problem and I don’t understand the issue and I might be overlooking something or not remembering it correctly. If you have to set them forward, no big deal, you just wind them forward as this doesn’t violate the law (of winding them backwards) which is verboten; If you have to set them backwards (+11 hours), you just stop the clock(s) for an hour or wind them forwards. Setting them back an hour is the same as going forwards 11 hours or stopping the clock for an hour. You might lose a second or two running around the estate but it doesn’t violate the “forward only” rule. I have an International Time Recorder (ITR) clock in my basement and I agree, though you can move it backwards (most have a slip-clutch with two plates and a spring pressing them together) you don’t want to do that as it is hard on the mechanism. I also think that setting it backward would, or could, upset the chime mechanism timing. When you slip the clock forward, it is usually just the final dial drive that is connected to the clutch so if it has a chime mechanism, that has to be adjusted separately. I usually just stop the clock for an hour and if I miss the restart, I just catch up as moving it forward as stated, causing no harm to the mechanism. So though running around the estate setting a couple hundred clocks would be a pain, it doesn’t require much thinking so I don’t get the issue. I sent this note to my best friend, Dave Dietrich, who resides in Connecticut and is the current authority on master clocks having hundreds (if not a thousand) master clocks as well as time recorders, mostly from International Time Recorder, the founding company of IBM, for whom we both worked for over 25yrs. Dave has been setting up displays of his clocks, one of which is the most stunning being in Stamford, Ct, at the Stamford building. These clocks are mechanical works of art that he restores. I recently suggested he join time-nuts as if he isn’t a time-nut, then I question the definition. Jerry > On Jun 16, 2017, at 6:09 AM, Bob kb8tq <kb8tq@n1k.org> wrote: > > Hi > > I would claim that anybody with 450 clocks to tend is indeed a Time Nut ….:) > > Bob > >> On Jun 15, 2017, at 10:37 PM, Bill Hawkins <bill.iaxs@pobox.com> wrote: >> >> Happened to watch a PBS/BBC program called "Queen's Castle" episode 102 >> - Four Seasons, that was filmed in 2005 at Windsor, not Buckingham. >> >> One of the segments was about the castle timekeeper, Steve Davison. He's >> responsible for 450 clocks, some 300 years old. His biggest challenge is >> the end of British Summer Time, when each clock must be advanced 11 >> hours, stopping until striking finishes. Old clocks were not designed >> for Fall Back. Takes him 16 hours. >> >> There was a brief shot of his workshop, with a clock repair in progress. >> No sign of a time standard. No discussion of leap seconds, either. >> >> Tried to find him, but only found a 2013 ad for a time keeper to >> maintain 1000 clocks in various castles. >> >> Hope that wasn't too far off topic. >> >> Bill Hawkins >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.
WH
William H. Fite
Fri, Jun 16, 2017 8:08 PM

Jerry, what you're missing is the culture of the Castle. Having a
clock--let alone a bunch of clocks--stopped for an hour simply would not be
acceptable.

"We're Royals, the rules are different here."

On Friday, June 16, 2017, Jerry Hancock jerry@hanler.com wrote:

I’m missing something here.  Advancing the clocks 11 hours is the same as
setting it back one hour.  There was an article about a person that had 300
clocks with the same problem and I don’t understand the issue and I might
be overlooking something or not remembering it correctly.  If you have to
set them forward, no big deal, you just wind them forward as this doesn’t
violate the law (of winding them backwards) which is verboten;  If you have
to set them backwards (+11 hours), you just stop the clock(s) for an hour
or wind them forwards.  Setting them back an hour is the same as going
forwards 11 hours or stopping the clock for an hour.  You might lose a
second or two running around the estate but it doesn’t violate the “forward
only” rule.

I have an International Time Recorder (ITR) clock in my basement and I
agree, though you can move it backwards (most have a slip-clutch with two
plates and a spring pressing them together) you don’t want to do that as it
is hard on the mechanism.  I also think that setting it backward would, or
could, upset the chime mechanism timing.  When you slip the clock forward,
it is usually just the final dial drive that is connected to the clutch so
if it has a chime mechanism, that has to be adjusted separately.  I usually
just stop the clock for an hour and if I miss the restart, I just catch up
as moving it forward as stated, causing no harm to the mechanism.  So
though running around the estate setting a couple hundred clocks would be a
pain, it doesn’t require much thinking so I don’t get the issue.

I sent this note to my best friend, Dave Dietrich, who resides in
Connecticut and is the current authority on master clocks having hundreds
(if not a thousand) master clocks as well as time recorders, mostly from
International Time Recorder, the founding company of IBM, for whom we both
worked for over 25yrs. Dave has been setting up displays of his clocks, one
of which is the most stunning being in Stamford, Ct, at the Stamford
building.  These clocks are mechanical works of art that he restores.  I
recently suggested he join time-nuts as if he isn’t a time-nut, then I
question the definition.

Jerry

On Jun 16, 2017, at 6:09 AM, Bob kb8tq <kb8tq@n1k.org javascript:;>

wrote:

Hi

I would claim that anybody with 450 clocks to tend is indeed a Time Nut

….:)

Bob

On Jun 15, 2017, at 10:37 PM, Bill Hawkins <bill.iaxs@pobox.com

javascript:;> wrote:

Happened to watch a PBS/BBC program called "Queen's Castle" episode 102

  • Four Seasons, that was filmed in 2005 at Windsor, not Buckingham.

One of the segments was about the castle timekeeper, Steve Davison. He's
responsible for 450 clocks, some 300 years old. His biggest challenge is
the end of British Summer Time, when each clock must be advanced 11
hours, stopping until striking finishes. Old clocks were not designed
for Fall Back. Takes him 16 hours.

There was a brief shot of his workshop, with a clock repair in progress.
No sign of a time standard. No discussion of leap seconds, either.

Tried to find him, but only found a 2013 ad for a time keeper to
maintain 1000 clocks in various castles.

Hope that wasn't too far off topic.

Bill Hawkins


time-nuts mailing list -- time-nuts@febo.com javascript:;
To unsubscribe, go to https://www.febo.com/cgi-bin/

mailman/listinfo/time-nuts

and follow the instructions there.


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To unsubscribe, go to https://www.febo.com/cgi-bin/

mailman/listinfo/time-nuts

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--
William H Fite, PhD
Independent Consultant
Statistical Analysis & Research Methods

Jerry, what you're missing is the culture of the Castle. Having a clock--let alone a bunch of clocks--stopped for an hour simply would not be acceptable. "We're Royals, the rules are different here." On Friday, June 16, 2017, Jerry Hancock <jerry@hanler.com> wrote: > I’m missing something here. Advancing the clocks 11 hours is the same as > setting it back one hour. There was an article about a person that had 300 > clocks with the same problem and I don’t understand the issue and I might > be overlooking something or not remembering it correctly. If you have to > set them forward, no big deal, you just wind them forward as this doesn’t > violate the law (of winding them backwards) which is verboten; If you have > to set them backwards (+11 hours), you just stop the clock(s) for an hour > or wind them forwards. Setting them back an hour is the same as going > forwards 11 hours or stopping the clock for an hour. You might lose a > second or two running around the estate but it doesn’t violate the “forward > only” rule. > > I have an International Time Recorder (ITR) clock in my basement and I > agree, though you can move it backwards (most have a slip-clutch with two > plates and a spring pressing them together) you don’t want to do that as it > is hard on the mechanism. I also think that setting it backward would, or > could, upset the chime mechanism timing. When you slip the clock forward, > it is usually just the final dial drive that is connected to the clutch so > if it has a chime mechanism, that has to be adjusted separately. I usually > just stop the clock for an hour and if I miss the restart, I just catch up > as moving it forward as stated, causing no harm to the mechanism. So > though running around the estate setting a couple hundred clocks would be a > pain, it doesn’t require much thinking so I don’t get the issue. > > I sent this note to my best friend, Dave Dietrich, who resides in > Connecticut and is the current authority on master clocks having hundreds > (if not a thousand) master clocks as well as time recorders, mostly from > International Time Recorder, the founding company of IBM, for whom we both > worked for over 25yrs. Dave has been setting up displays of his clocks, one > of which is the most stunning being in Stamford, Ct, at the Stamford > building. These clocks are mechanical works of art that he restores. I > recently suggested he join time-nuts as if he isn’t a time-nut, then I > question the definition. > > Jerry > > > > > On Jun 16, 2017, at 6:09 AM, Bob kb8tq <kb8tq@n1k.org <javascript:;>> > wrote: > > > > Hi > > > > I would claim that anybody with 450 clocks to tend is indeed a Time Nut > ….:) > > > > Bob > > > >> On Jun 15, 2017, at 10:37 PM, Bill Hawkins <bill.iaxs@pobox.com > <javascript:;>> wrote: > >> > >> Happened to watch a PBS/BBC program called "Queen's Castle" episode 102 > >> - Four Seasons, that was filmed in 2005 at Windsor, not Buckingham. > >> > >> One of the segments was about the castle timekeeper, Steve Davison. He's > >> responsible for 450 clocks, some 300 years old. His biggest challenge is > >> the end of British Summer Time, when each clock must be advanced 11 > >> hours, stopping until striking finishes. Old clocks were not designed > >> for Fall Back. Takes him 16 hours. > >> > >> There was a brief shot of his workshop, with a clock repair in progress. > >> No sign of a time standard. No discussion of leap seconds, either. > >> > >> Tried to find him, but only found a 2013 ad for a time keeper to > >> maintain 1000 clocks in various castles. > >> > >> Hope that wasn't too far off topic. > >> > >> Bill Hawkins > >> > >> _______________________________________________ > >> time-nuts mailing list -- time-nuts@febo.com <javascript:;> > >> To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > >> and follow the instructions there. > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com <javascript:;> > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com <javascript:;> > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > -- William H Fite, PhD Independent Consultant Statistical Analysis & Research Methods
A
Andy
Fri, Jun 16, 2017 8:15 PM

Jerry Hancock wrote:

I’m missing something here.  ...

Really?  What do you think you're missing?

The difficulty with setting clocks +11 hours is that you can't just crank
the minute hand in a circle 11 times.  You have to wait for the clock to
ring before advancing the next hour.

Stopping clocks for an hour is OK but you have to remember to go back and
start them, and it's all a pain if you have 450 of them.  Either way, it
takes ... you guessed it ... time.

Turning clocks backwards is probably OK if the clock doesn't have strikes
for the hour (and perhaps half hour).  If the clock just keeps time and
nothing else, then perhaps you can move the hands either way.  It's the
strike mechanisms that get fouled up or break, if you attempt to turn the
hands backwards.

Andy

Jerry Hancock wrote: I’m missing something here. ... Really? What do you think you're missing? The difficulty with setting clocks +11 hours is that you can't just crank the minute hand in a circle 11 times. You have to wait for the clock to ring before advancing the next hour. Stopping clocks for an hour is OK but you have to remember to go back and start them, and it's all a pain if you have 450 of them. Either way, it takes ... you guessed it ... time. Turning clocks backwards is probably OK if the clock doesn't have strikes for the hour (and perhaps half hour). If the clock just keeps time and nothing else, then perhaps you can move the hands either way. It's the strike mechanisms that get fouled up or break, if you attempt to turn the hands backwards. Andy
BK
Bob kb8tq
Fri, Jun 16, 2017 8:38 PM

Hi

One thing that may be missing is that the clocks involved also keep track of other things (date,
lunar phase, sunrise / sunset …). Forcing them to gain or loose a day might mess some of that
up.

Bob

On Jun 16, 2017, at 4:01 PM, Jerry Hancock jerry@hanler.com wrote:

I’m missing something here.  Advancing the clocks 11 hours is the same as setting it back one hour.  There was an article about a person that had 300 clocks with the same problem and I don’t understand the issue and I might be overlooking something or not remembering it correctly.  If you have to set them forward, no big deal, you just wind them forward as this doesn’t violate the law (of winding them backwards) which is verboten;  If you have to set them backwards (+11 hours), you just stop the clock(s) for an hour or wind them forwards.  Setting them back an hour is the same as going forwards 11 hours or stopping the clock for an hour.  You might lose a second or two running around the estate but it doesn’t violate the “forward only” rule.

I have an International Time Recorder (ITR) clock in my basement and I agree, though you can move it backwards (most have a slip-clutch with two plates and a spring pressing them together) you don’t want to do that as it is hard on the mechanism.  I also think that setting it backward would, or could, upset the chime mechanism timing.  When you slip the clock forward, it is usually just the final dial drive that is connected to the clutch so if it has a chime mechanism, that has to be adjusted separately.  I usually just stop the clock for an hour and if I miss the restart, I just catch up as moving it forward as stated, causing no harm to the mechanism.  So though running around the estate setting a couple hundred clocks would be a pain, it doesn’t require much thinking so I don’t get the issue.

I sent this note to my best friend, Dave Dietrich, who resides in Connecticut and is the current authority on master clocks having hundreds (if not a thousand) master clocks as well as time recorders, mostly from International Time Recorder, the founding company of IBM, for whom we both worked for over 25yrs. Dave has been setting up displays of his clocks, one of which is the most stunning being in Stamford, Ct, at the Stamford building.  These clocks are mechanical works of art that he restores.  I recently suggested he join time-nuts as if he isn’t a time-nut, then I question the definition.

Jerry

On Jun 16, 2017, at 6:09 AM, Bob kb8tq kb8tq@n1k.org wrote:

Hi

I would claim that anybody with 450 clocks to tend is indeed a Time Nut ….:)

Bob

On Jun 15, 2017, at 10:37 PM, Bill Hawkins bill.iaxs@pobox.com wrote:

Happened to watch a PBS/BBC program called "Queen's Castle" episode 102

  • Four Seasons, that was filmed in 2005 at Windsor, not Buckingham.

One of the segments was about the castle timekeeper, Steve Davison. He's
responsible for 450 clocks, some 300 years old. His biggest challenge is
the end of British Summer Time, when each clock must be advanced 11
hours, stopping until striking finishes. Old clocks were not designed
for Fall Back. Takes him 16 hours.

There was a brief shot of his workshop, with a clock repair in progress.
No sign of a time standard. No discussion of leap seconds, either.

Tried to find him, but only found a 2013 ad for a time keeper to
maintain 1000 clocks in various castles.

Hope that wasn't too far off topic.

Bill Hawkins


time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.


time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
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and follow the instructions there.

Hi One thing that may be missing is that the clocks involved also keep track of other things (date, lunar phase, sunrise / sunset …). Forcing them to gain or loose a day might mess some of that up. Bob > On Jun 16, 2017, at 4:01 PM, Jerry Hancock <jerry@hanler.com> wrote: > > I’m missing something here. Advancing the clocks 11 hours is the same as setting it back one hour. There was an article about a person that had 300 clocks with the same problem and I don’t understand the issue and I might be overlooking something or not remembering it correctly. If you have to set them forward, no big deal, you just wind them forward as this doesn’t violate the law (of winding them backwards) which is verboten; If you have to set them backwards (+11 hours), you just stop the clock(s) for an hour or wind them forwards. Setting them back an hour is the same as going forwards 11 hours or stopping the clock for an hour. You might lose a second or two running around the estate but it doesn’t violate the “forward only” rule. > > I have an International Time Recorder (ITR) clock in my basement and I agree, though you can move it backwards (most have a slip-clutch with two plates and a spring pressing them together) you don’t want to do that as it is hard on the mechanism. I also think that setting it backward would, or could, upset the chime mechanism timing. When you slip the clock forward, it is usually just the final dial drive that is connected to the clutch so if it has a chime mechanism, that has to be adjusted separately. I usually just stop the clock for an hour and if I miss the restart, I just catch up as moving it forward as stated, causing no harm to the mechanism. So though running around the estate setting a couple hundred clocks would be a pain, it doesn’t require much thinking so I don’t get the issue. > > I sent this note to my best friend, Dave Dietrich, who resides in Connecticut and is the current authority on master clocks having hundreds (if not a thousand) master clocks as well as time recorders, mostly from International Time Recorder, the founding company of IBM, for whom we both worked for over 25yrs. Dave has been setting up displays of his clocks, one of which is the most stunning being in Stamford, Ct, at the Stamford building. These clocks are mechanical works of art that he restores. I recently suggested he join time-nuts as if he isn’t a time-nut, then I question the definition. > > Jerry > > > >> On Jun 16, 2017, at 6:09 AM, Bob kb8tq <kb8tq@n1k.org> wrote: >> >> Hi >> >> I would claim that anybody with 450 clocks to tend is indeed a Time Nut ….:) >> >> Bob >> >>> On Jun 15, 2017, at 10:37 PM, Bill Hawkins <bill.iaxs@pobox.com> wrote: >>> >>> Happened to watch a PBS/BBC program called "Queen's Castle" episode 102 >>> - Four Seasons, that was filmed in 2005 at Windsor, not Buckingham. >>> >>> One of the segments was about the castle timekeeper, Steve Davison. He's >>> responsible for 450 clocks, some 300 years old. His biggest challenge is >>> the end of British Summer Time, when each clock must be advanced 11 >>> hours, stopping until striking finishes. Old clocks were not designed >>> for Fall Back. Takes him 16 hours. >>> >>> There was a brief shot of his workshop, with a clock repair in progress. >>> No sign of a time standard. No discussion of leap seconds, either. >>> >>> Tried to find him, but only found a 2013 ad for a time keeper to >>> maintain 1000 clocks in various castles. >>> >>> Hope that wasn't too far off topic. >>> >>> Bill Hawkins >>> >>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@febo.com >>> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.
CA
Clay Autery
Fri, Jun 16, 2017 9:51 PM

Precisely...


Clay Autery, KY5G

On 6/16/2017 3:08 PM, William H. Fite wrote:

Jerry, what you're missing is the culture of the Castle. Having a
clock--let alone a bunch of clocks--stopped for an hour simply would not be
acceptable.

Precisely... ______________________ Clay Autery, KY5G On 6/16/2017 3:08 PM, William H. Fite wrote: > Jerry, what you're missing is the culture of the Castle. Having a > clock--let alone a bunch of clocks--stopped for an hour simply would not be > acceptable.
HB
Hugh Blemings
Tue, Jun 20, 2017 1:47 AM

Hi,

My humble thanks to all who provided feedback on the best approach to
take with the '5061A.

I do rather take the point about slow transitioning power not being
ideal - I think I'm mentally digging that up from a bygone era! :)

One suggestion was to at least consider using a current limited mains
source (even a 50 or 100W bulb in series) just to catch catastrophic
events at power on and/or electrolytics reforming.  Food for thought there.

A common theme - reading the manual, is one I will certainly do - I was
able to locate one in among the piles of stuff and have brought it home
to study.

I will hopefully have the unit to hand in a couple of weeks, will report
back once I've got a little further.

Thank you all again,

Cheers/73
Hugh
AD5RV/VK3YYZ

On 15/6/17 16:02, Hugh Blemings wrote:

Hi,

I've been assisting with the cataloguing and, where possible, testing of
a bunch of test equipment from a deceased estate.

One of the items is a 5061A which best I can tell has not been powered
on for over a decade.  The High Performance tube has a warranty
expiration date of 1988.  Serial number is 1936A01567 and has Option 01
and 04 and has the digital rather than analogue clock.  Minor but it's
missing the bottom cover.

My intuition is to set it to one side until I can become familiar with
the operating manual and potentially bring power up to it slowly with a
Variac or similar.

I'd be curious as to the time-nuts view on whether this degree of
caution warranted ?

I suspect the Cs tube is long dead, but maybe I'll be pleasantly
surprised ?

Would welcome feedback on sensible/cautious first steps with the unit -
initial need, if possible, is a "simple" go/no go/does it power on ?

Cheers/73
Hugh
VK3YYZ/AD5RV


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Hi, My humble thanks to all who provided feedback on the best approach to take with the '5061A. I do rather take the point about slow transitioning power not being ideal - I think I'm mentally digging that up from a bygone era! :) One suggestion was to at least consider using a current limited mains source (even a 50 or 100W bulb in series) just to catch catastrophic events at power on and/or electrolytics reforming. Food for thought there. A common theme - reading the manual, is one I will certainly do - I was able to locate one in among the piles of stuff and have brought it home to study. I will hopefully have the unit to hand in a couple of weeks, will report back once I've got a little further. Thank you all again, Cheers/73 Hugh AD5RV/VK3YYZ On 15/6/17 16:02, Hugh Blemings wrote: > Hi, > > I've been assisting with the cataloguing and, where possible, testing of > a bunch of test equipment from a deceased estate. > > One of the items is a 5061A which best I can tell has not been powered > on for over a decade. The High Performance tube has a warranty > expiration date of 1988. Serial number is 1936A01567 and has Option 01 > and 04 and has the digital rather than analogue clock. Minor but it's > missing the bottom cover. > > My intuition is to set it to one side until I can become familiar with > the operating manual and potentially bring power up to it slowly with a > Variac or similar. > > I'd be curious as to the time-nuts view on whether this degree of > caution warranted ? > > I suspect the Cs tube is long dead, but maybe I'll be pleasantly > surprised ? > > Would welcome feedback on sensible/cautious first steps with the unit - > initial need, if possible, is a "simple" go/no go/does it power on ? > > Cheers/73 > Hugh > VK3YYZ/AD5RV > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. >