PORTABLE - TELEPHONE
Portable Generator and Bell

MA 300
This instrument consists of a metal case containing a Generator, Magneto Bell and Press Button for short circuiting the bell, with waterproof cord and tags
R.S. 5020.
Leather Case MV. 300, which is constructed to carry the instrument, is provided with loops.
Generator type MA. 300 is intended to be used in conjunction with instruments M.A. 10, 20, 30, 50,
60 or 80.
Dimensions over leather case:- 2.75 x 2.75 x 7.1 inches.
Weight, 2.85 lbs.
Previously model No. 398.
Taken from the Ericsson Telephone Catalogue 1911
|