[time-nuts] Article on quartz locking pendulum clock
Dr. David Kirkby
david.kirkby at onetel.net
Sat Feb 4 16:12:16 EST 2006
A list member kindly snet me a copy of the article from about quartz
locking a pendulum clock. It uses an electromagnet and a magnet on the
pendulum.
I have scanned this at 300 dpi grayscale and converted to pdf. It may be
found at:
http://www.g8wrb.org/useful-stuff/time/pendulum+quartz.pdf
The file size is 17460323 bytes (16.7 MB)
The MD5 checksum is AB0E083B25D8438604D83DFC6B2CB38F
dave k
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