[time-nuts] Recommendations for Mains Power Monitor / Logger (
Dave ZL3FJ
2c39a at silverbears.nz
Mon Mar 12 17:08:31 EDT 2018
Here's a couple of shots of a Venner version of a similar clock -a combined synchronous motor movement and pendulum.
http://homepages.ihug.co.nz/~tractorb/venner%20clock/
A friend of mine has it. It was used in a power station environment up until only a few years ago. He paid a lot of money to have it restored. It is apparently quite rare.
DaveB, NZ
-----Original Message-----
From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Thomas D. Erb
Sent: Tuesday, March 13, 2018 00:44
To: time-nuts at febo.com
Subject: Re: [time-nuts] Recommendations for Mains Power Monitor / Logger (
Year ago we used to sell a quartz clock and a 60hz clock mounted on a panel for generator stations on small islands in the Caribbean.
This is the way it was done in the 1930's
http://electricclock.omeka.net/items/show/6
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Thomas D. Erb
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508-359-9684
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508-359-4396 x 117
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508-359-4482
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97 West Street, Medfield, MA 02052 USA
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tde at electrictime.com<mailto:tde at electrictime.com>
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