SIEMENS & HALSKE No. 4089

No. 4089
Table telephone for magneto call similar to No. 4088, but with 1600 ohms bell resistance, for calling across about 50,000 ohms.

Net weight about 5.3 kgs.

Taken from the Siemens & Halske Telephone Catalogue 1912

Last revised: May 05, 2023

FM2