[time-nuts] Odd request

[jmfranke]

Yes, I have heard of 30 movements, but the ones I am working with have a 
sixty step racket and are designed for onece per minute stepping.  That is 
an awesome clock!

John
----- Original Message ----- 
From: "Dave Brown" <tractorb at ihug.co.nz>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Thursday, January 25, 2007 6:07 PM
Subject: Re: [time-nuts] Odd request


> ----- Original Message ----- 
> From: "jmfranke" <jmfranke at cox.net>
> To: "Discussion of precise time and frequency measurement"
> <time-nuts at febo.com>
> Sent: Friday, January 26, 2007 10:57 AM
> Subject: Re: [time-nuts] Odd request
>
>
>>I am going the same route and have discovered slave clocks which are
>> solenoid driven clocks.  The clocks were once very popular in
>> schools and
>> factories. The hands typically step in one minute steps.
>>
>> See: http://www.clockhistory.com/setclocks/index.html
>>
>> I plan to use one of the clock movements to display minutes and
>> hours and a
>> two digit LED digital display for the seconds.  I will divide the
>> 1PPS
>> output from a Z3801A by 60 to get 1PPM.
>>
>> John  WA4WDL
>
>
> Some used a 30 second pulse as well - might pay to check the
> particular slave you have before you make the divider!    I have a
> Gents master clock here- I DID want to put it in the lounge but it was
> considerd too 'industrial' so its been relegated to 'outer darkness'!
> Personally I think it's rather elegant, but......
> Picture here-
> http://homepages.ihug.co.nz/~tractorb/gents%20master.gif
> These were made in two pendulum lengths-this is the longer case (3
> foot pendulum) model.
> DaveB, NZ
>
>
>
>
>
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