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L. M. ERICSSON
SWITCHBOARD OB 100


Type OB 100
Switches, Wall Pattern
Earth Circuit
Local Battery System

To be used in conjunction with any ordinary telephone instrument.

THE CONNECTIONS ARE MADE BY MEANS OF PLUGS AND CORDS.

FRAMEWORK
768.jpg (11731 bytes)Polished walnut and the front face is covered with fibre.

OB 100/10 shown to the right - OB100/6 shown at bottom of page

EQUIPMENT
1 x JACK for each line.
1 x OPERATOR'S JACK.
1 x PAIR OF CORDS (see table).
1 x OPERATOR'S PLUG AND CORD.
1 x CALLING AND CLEARING INDICATOR, per line.
NIGHT BELL.
NIGHT BELL SWITCH.
LIGHTNING PROTECTOR.
 

TYPE OLD TYPE No. No. of Earth Circuits No. of cord ccts Height ins Width ins Depth ins Weight in lbs.
OB 100/2 - 2 1 10.23 9.25 5.90 6.39
OB 100/3 - 3 1 10.23 9.25 5.90 8.83
OB 100/4 467 4 2 10.23 9.25 5.90 7.27
OB 100/5 468 5 2 10.23 9.25 5.90 7.71
OB 100/6 469 6 2 10.23 9.25 5.90 7.93
OB 100/8 470 8 3 12.20 9.84 5.90 10.58
OB 100/10 471 10 3 12.20 9.84 5.90 12.12
OB 100/12 472 12 4 12.20 9.84 5.90 13.23
OB 100/15 - 15 4 14.37 14.97 5.90 16.31
OB 100/20 - 20 5 14.37 14.97 5.90 18.08
OB 100/25 - 25 5 16.93 14.97 5.90 22.50


Taken from the Ericsson Telephone Catalogue 1914 and model 468 was also in the 1897 Catalogue

OB100/6

 
 
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Last revised: March 28, 2024

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