SIEMENS & HALSKE No. 4087

No. 4087
Table telephone for magneto call similar to No. 4086, but with a bell resistance of 1600 ohms, for calling across about 75,000 ohms.

Net weight about 4.75 kgs.

Taken from the Siemens & Halske Telephone Catalogue 1912

Last revised: November 26, 2022

FM2