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February 20, 2019 at 3:38 pm #50134slattery51Participant
I came across, what looked to be an old Ingraham office regulator…I took the dial of
it had a un-signed “trapezoid calendar movement in it…no obvious marriage of clock and
movement was noticed,,,all mounting holes were correct…it had the letters “CD” stamped in the brass
and the letter “J” also stamped in the brass above it,,,, Any one know who made this movement?? I will try
and post pictures if I can….any help would be appreciated…..Thanks.March 13, 2019 at 7:15 pm #65037michael ciskowskiParticipant
I might refer you to the December 1999 issue of the NAWCC Bulletin to an article on identifying unmarked movements by the escape wheel bridge. Bases on your photo, I suspect yout movement is a WM. Gilbert (B3.4). Seth Thomas also used this style of bridge on some movements but they used pins or screws to secure the plates where your photo shows the use of nuts. You might check the article to make your final determination. I refer to this article often as it is pretty valuable to have handy.May 3, 2019 at 7:18 pm #65038slattery51Participant
Thanks so very much for that info…I will certainly look at that info…..I guess I do
not see many un-marked movements come across my bench,, and this one kind of threw
me for a moment….Thanks again,,,,Best Regards…..Dave…
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