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ERICSSON
SWITCHBOARD No. OA 150
 


Type OA 150
Cordless Switch, Wall Pattern
Earth or Metallic Circuit
Local Battery System


768.jpg (11731 bytes)To be used in conjunction with any ordinary telephone instrument.

THE CONNECTIONS ARE MADE BY MEANS OF KEYS.


FRAMEWORK
Polished walnut. The front face is covered with fibre.

CAPACITY
3 Earth or Metallic Circuit Lines.

EQUIPMENT
3 Switching Keys.
3 Calling and Clearing Indicators.
1 Night Bell Switch.

DIMENSIONS
Height 6.3 ins
Width 5.9 ins
Depth 5.9 ins

Weight, 3.74 Lbs.


Taken from the Ericsson Telephone Catalogue 1914

 
 
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Last revised: October 08, 2019

FM2