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Old 14th Oct 2021, 9:32 am   #6
Gridiron
Heptode
 
Join Date: Apr 2010
Location: West Midlands, UK.
Posts: 659
Default Re: Another Siemens and Halske Telephone

At the moment, the switch (which can only be moved in one direction from the vertical) only moves the handset cradle up doesn't affect the contacts, but could have been modified by whoever has rewired the phone underneath.
On the right in the first photos is also what looks like a mechanical supply voltage indicator (Circular with glass).
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