With hand micro-telephone specially constructed for use with a common
battery, and with a 1000 ohm bell and a condenser of two microfarads capacity.COMMON BATTERY INSTRUMENTS
WALL TELEPHONE FOR COMMON BATTERY WORKING No. 366
With hand micro-telephone specially constructed for use with a common
battery, and with a 1000 ohm bell and a condenser of two microfarads capacity.
Polished Walnut backboard.
Weight 10.10 lbs.
Price £4 2s.
Renumbered later as the CD140.
Taken from the Ericsson Telephone Catalogue 1903 and in the 1911 catalogue as the CD140
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