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Copper / Bakelite
PTT / HOLLAND TELEPHONE ( 1961 )
Copper / Bakelite ROTARY D I A L TELEPHONE PTT / HOLLAND (1961) *********************************************************************** This vintage ROTARY TELEPHONE use "PULSE-DIALING". To make it work in your application, YOU MAY NEED A "PULSE-TO-TONE-CONVERTER"... Historical Remarks ... R E M A R K S : ======================================================================= I got it with bent & unattached cradle, wrong placed & wrong working dialer, missing screws, "dirty like out of a dumpster". What was the telephone's origin ??? In the procedure of cleaning, IDs where found: (a) MICROPHONE-Capsule = PTT TMC52182-A-100Ω <<== dead ! (b) TELEPHONE-Capsule = PTT 300Ω 7_55 AD.52076 (c) DIALER-Mechanic = (HEE/MAF/H)-Logo 7_61 <<== Make of Year! (d) CAPACITOR = PTT 1 μF (e) TRAVO & BELL = (HEE/MAF/H)-Logo ==>> Holland ! HEE-MAF = Hengelosche Electrische En Mechanische Apparaten Fabriek PTT = ( Dutch ) Staatsbedrijf der Posterijen, Telegrafie en Telefonie ----------------------------------------------------------------------- After repair and exchange the dead mic, the telephone worked - BUT ... It was not ringing. With "trial & error" I found out how to wire it: 13 12 11 La | 10 Lb --+ < from LINE 9 -----+ ! BRIDGE | 8 7 yellow | 6 blue > to HAND-SET 5 red | 4 3 blue & green | 2 yellow > to DIALER 1 red | After all the effords, this copper telephone is again an "Eye Candy" ======================================================================= SORRY: The LEFT NUMBER-FRAME WAS MISSING -- In spring 2017 my friend GERHARD ( See "First Aid" for my BELGIUM TELEPHONE » RTT-56-B « ... ) made 2 new & equal NUMBER-FRAMES out of BRONZE SHEET ... "1000 THANKS!" |
