SIEMENS & HALSKE No. 4011-4016

Nos. 4011 - 4016
Wall telephone with self replacing press-button line-selector for common return for battery call in polished walnut case; comprising hand-combination with four conductor cord, automatic switch-hook, induction coil, battery bell (20 ohms resistance), line keys that replace each other or are replaced by placing the hand-combination on the hook, designation strips and terminals.  No. 4014 shown to right.

Number Number of Lines Weight (Kgs)
4011 5 1.57
4012 10 1.62
4013 15 1.75
4014 20 1.8
4015 25 2.1
4016 30 2.2


Taken from the Siemens & Halske Telephone Catalogue 1912

 

 
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Last revised: May 05, 2023

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