SIEMENS & HALSKE No. 4097

No. 4097
Wall telephone for magneto call similar to No. 4096, but with bell-resistance of 1600 ohms for calling across about 75,000 ohms.

Net weight about 15 kgs.

Taken from the Siemens & Halske Telephone Catalogue 1912

Last revised: May 05, 2023

FM2