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Old 09-14-2011, 02:43 AM
Winky Dink's Avatar
Winky Dink Winky Dink is offline
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Join Date: Apr 2010
Location: Meridian, Idaho.
Posts: 583
Potted in Goo It Was.

...and the goo was hardened and it wouldn't dissolve in the usual solvents.

I made this macrophoto to compare the antenna choke wire with two known wires, and it sure looks like it's 40 AWG.



From the tables, I calculated that 33.4 feet would give me the specified 35 ohms. From my estimate of the coil circumference, that would be about 285 turns. unwinding the coil yielded approximately 42 feet of wire, but I couldn't count the actual number of turns.
Next week I'll have some 40-gauge magnet wire. I have to replicate the cardboard tube from my measurements (the original tube crumbled), then wind about 40 feet....OR I could ask this young lady:



She's working in the Atwater-Kent factory in 1925. Looks like she's making condensers, but maybe she has a friend in the coil department.
- Winky

Last edited by Winky Dink; 09-14-2011 at 10:22 PM. Reason: Error in photograph
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