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#1
26-03-22, 19:11
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There you are . I am working on connecting it with telephone wire to do the tongue test again …. But no . I had a spike at 40 Volts ! Average being between 2 and 10 Volts depending on the speed i turn the crank . I am starting to believe it’s a military engeneer exploder. I got current from two poles . The third pole was neither + nor - in combination with the other two. It jas a very strong leather strap and no markings whatsoever .
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44 GPW / 44 C-15-A Cab 13 Wireless 5 with 2K1 box X 2 / 44 U.C. No-2 MKII* / 10 Cwt Cdn Brantford Coach & Body trailer / 94 LSVW / 84 Iltis Last edited by Robert Bergeron; 26-03-22 at 22:15. 
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#2
26-03-22, 19:30
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Quote:
 It might, in fact, be a telephone, or a ringer that has been modified into one. There's too much stuff in there to be just a magneto generator, but it looks vaguely like something off a very old switchboard (very old = WW1) with an induction coil added. There are similar bits of kit (as woodcut illustrations) in "Instructions in Army Telegraphy and Telephone (Instruments)", but I'm wondering if it's American. (I shall go and find another book...) Best regards, Chris.
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#3
30-03-22, 00:24
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Plug sockets
After looking inside, would conventional 1/4" phone plugs fit those sockets?
https://www.parts-express.com/Amphen...Black-092-0122
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Terry Warner - 74-????? M151A2 - 70-08876 M38A1 - 53-71233 M100CDN trailer Beware! The Green Disease walks among us!
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#4
31-03-22, 13:45
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Terry , i will try it today and report back ! Thanks .
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44 GPW / 44 C-15-A Cab 13 Wireless 5 with 2K1 box X 2 / 44 U.C. No-2 MKII* / 10 Cwt Cdn Brantford Coach & Body trailer / 94 LSVW / 84 Iltis
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#5
08-04-22, 18:24
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Mystery solved : 1/4 guitar plugs fit very well ! Why ?
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44 GPW / 44 C-15-A Cab 13 Wireless 5 with 2K1 box X 2 / 44 U.C. No-2 MKII* / 10 Cwt Cdn Brantford Coach & Body trailer / 94 LSVW / 84 Iltis
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#6
08-04-22, 18:47
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Because it's part of a telephone switchboard, where those plugs originated.
 My guess is it's the ringer from a small exchange, and the reason for three sockets is so the operator could call multiple users at the same time (e.g. for conference calls.) My suspicion is that it predates WW2 by a number of years, it may even be from before WW1. (I need to find some more books: Instructions in Army Telegraphy & Telephony (the earlier edition), and "Technical Equipment of the U.S. Signal Corps". I will have a further rummage over the weekend.) Best regards, Chris.
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