|Since the age of 12 I have always wanted a synchronome, I had to wait
until I was
38 to build one, here is the mechanism.
|And then I built a vacuum enclosed free pendulum, well it's not quite
a Shortt but it
There are two optoswitches at the bottom of the plate one controls
the amplitude of
And to monitor it, an old laptop with a couple of home built bits, an ovened
and a thing that counts 100kHz pulses from the osc gated by the 30s pulses from the clocks.
This data is sent serialy to the PC for recording. Yoy can just see the results of a about
10 hours running the whole screen height is 4.8mS. When I have got a better reference
more data will be published.