Many thanks for your kind offer. I have now managed to sort out the sizes. FYI the trunnion is the threaded bar with the two nuts and two large washers which holds the suspension spring at the very top of the pendulum.
as for your question on slaves it is normally 24volts .22 ma
Many thanks for your reply just to to clear things up it is a Gents C7 Pulsynetic
master clock.It is missing the whole pendulum assembly including the suspension spring and trunnion.The Invar rod is not such a problem, it is what size the parts are so I can remanufacture them as to be as close...
I have recently purchased a 1938 Pulsynetic master clock that sadly is incomplete because it is minus it's pendulum suspension spring and trunnion. Can anyone help me with any info on these missing parts such as sizes as I cannot find any details anywhere. The only thing I really know is the...