Another Siemens and Halske Telephone
A friend got this telephone at an antiques fair and would like to know more it. In style it is similar to the W28 phone I posted about earlier.
On the base plate is printed "Fg tist 107aa 9Fg Sk 58S 135/1L 9Fg Ms 58S 135/1L 9Fg 23/65 11G2". Looks like someone has modified it, inside was a very old German PP3 battery.
It looks like some kind of a switchboard master phone with extension button, he would like to know how it was used and approximate date.
Thanks, Mike.
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