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SIEMENS & HALSKE
» TROMMEL-WAEHLER-TELEFON «



This unusual telephone was designed in the 1950s by SIEMENS & HALSKE.
Instead of a "Rotary Dial" the dialing is performed vertically.


Inside the "TROMMEL-WAEHLER" (= "Drum-Dial") are the same mechanics -
only vertically mounted - See picture with a W611-Dialer beside ...



TROMMEL-WAEHLER TISCH-TELEFON    SIEMENS & HALSKE,  Berlin / Germany  ( 1954 )
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» DRUM-DIAL « DESK-TOP TELEPHONE.  The (faded) PRINT on its back side ...

   +---------------------------+   The telephone was bought via EBAY with the
   |  Fg tist 264 b            |   comment: "Tested! - It works fine" - A LIE!
   |  Fg Sk 54 S 3005 b 3 III  |
   |  Fg 54/3005 b V           |   After   i n t e n s e   investigation:
   |  11 L 3                   |   The CONTACT (1) of the TRANSFORMER had no
   +---------------------------+   inner connection! Try re-soldering failed.

LEFT PICTURE:
"The most unlikely" DEFECT found ...




... LUCKY: Got the TRANSFORMER of an older W48-Style-Telephone from a friend -
Same size and connections! After replacement: "Tested! - It works fine - NOW!"

                          Historical Remarks ...

The "Trommel-Waehler-Telefon", inspired by ERGONOMETRY,  became not a success:
Secretaries disclaimed broken finger nails ...  Because it was NOT distributed
by  DEUTSCHE POST,  it is a rare COLLECTOR ITEM!  The FOLLOWER of the Trommel-
Waehler-Telefon was a SIMILIAR DESIGN with ROTARY DIAL ...

                          SIEMENS & HALSKE  » Fg tist 282.b «
impressum:
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© C.HAMANN         http://public.beuth-hochschule.de/~hamann          10/02/16