M.A. 50 & 60
Combined Telephone and Telegraph Instruments
APPARATUS CASE of fibre with metal corner pieces for strengthening. Dimensions
5.90 x 4.14 x 1.9 inches, containing a buzzer, line condenser and dry cell No. RE. 170 (Old Catalogue No.
MICRO-TELEPHONE R.E. 1910, telescopic type, stronger built than R.E. 9100, with waterproof cord R.S. 7010 (Old Catalogue No. 2159).
EXTRA RECEIVER R.F. 1200, with leather head strap, waterproof cord and plugs R.S. 4560 (Old Catalogue No. 2363).
TERMINAL BLOCK with waterproof cord R.S. 5000 (Old Catalogue No. 2362).
LEATHER CASE. This is constructed to hold the Apparatus Case, Micro-telephone, extra receiver and terminal block. Type M.V. 50 is fitted with loops so that it may be carried on the waist belt, type MV. 6o with shoulder strap (shown to right).
This instrument is intended for telephonic as well as telegraphic communication, the latter by means of the buzzer.
|Type||Case||Weight in lbs|
|MA 50||MV 50||5.1|
|MA 60||MV 60||5.5|
When it is required to ring a magneto bell or indicator at a distant end, our Portable Generator, type M.A. 300, can be used in conjunction with this instrument.
The MA 60 was previously a No. 396.
Taken from the Ericsson Telephone Catalogue 1911
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