24-09-24, 21:03
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Registered User
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Join Date: Feb 2006
Location: Winnipeg, MB, Canada
Posts: 3,626
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COIL, Aerial Tuning No. 2 A. ZA/CAN 4725
While inspecting the Coil I am using for the 52-Set, I found ‘3978’ stamped in blue ink on the bottom side of the phenolic resin base of the coil chassis itself. I then found the same number stamped on the outer surfaces of the resin left and right side panels. See the first three photos. I am thinking this might be a Production Control Number used by Canadian Marconi Company during the manufacture of these coils, in a similar manner to the hand written four digit numbers found on the inside chassis surfaces of the other set components. The only other stamped marking I have found so far is the part number for the coil itself, CMC 119-521, which was stamped along the left side edge of the coil drum as shown in the last photo.
Now I have to see what I can find on the parts coil assembly.
David
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