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L. M. ERICSSON
TELEPHONES MB 301 & MB 305
PORTABLE - TELEPHONES

MB 301 and 305
The handset should be together be pushed before it is placed in the case. This ensues the battery is disconnected.

Parts:
Microphone with waterproof cord and replaceable microphone capsule RC 4000140, 40ohms.
Dry battery RK 182.
Generator.
Push button for the short circuit
Casing made of polished oak wood.
Leather case with carrying strap.

The MB 301 has a 2 magnet, generator, whilst the MB 305 has 5 magnets.

The MB 301 has a 1000ohm ringer, whilst the MB 305 has 2000ohm ringer.

The MB 301 is shown pictured to the right.

 

Taken from the Ericsson Telephone Catalogue 1911 - German translation

 
 
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Last revised: March 27, 2024

FM2