[time-nuts] IBM TYpe 37 Master was Re: IBM's "Clock Corner"
pete at petelancashire.com
Fri Jul 1 19:52:48 UTC 2011
I would give a try at contacting IBM's Archivist. Who ever wrote the Clock page
came across as very dedicated to his or her job.
On Fri, Jul 1, 2011 at 12:45 PM, Russell Rezaian <rrezaian at motorola.com> wrote:
> I've actually had reason to reference this IBM resource myself recently.
> Unfortunately they don't have much in the way of detail on the Type 37
> I just acquired on of these Type 37 masters and I am looking for technical
> information on it.
> I've found ONE reference on the NAWCC forums to someone who scanned the
> service information for it and put it on the web, but that link is no longer
> working. Wnd while I did send an email to the person who had it up, I have
> yet to hear a reply.
> I called up Simplex (who bought the IBM clock business) and the person I
> spoke to was very friendly and spent some time looking for older service
> information, but didn't have anything readily available for a 50 something
> year old clock...
> So, I turn to my fellow time nuts and ask if anyone here might be able to
> Incidentally, for those who have never heard of it, the Type 37 is a rather
> interesting clock for time nuts.
> It's an electro-mechanical master clock, with a nice Invar pendulum, several
> Telechron style 60 hz synchronous motors, AND a late 50's vintage vacuum
> tube radio to receive the late 50's vintage WWV signal.
> A commercially made radio controlled pendulum master clock, very nifty :)
> When this was built, WWV was broadcasting out of someplace much further east
> than Colorado (Maryland if memory serves) and was broadcasting time signals
> using what I have seen described as "railroad morse" code rather than
> today's more familiar mix of digital and analog signals.
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