Type OB 100
Switches, Wall Pattern
Earth Circuit
Local Battery SystemOB 100/10 shown to the right - OB100/6 shown at bottom of page
To be used in conjunction with any ordinary telephone instrument.
THE CONNECTIONS ARE MADE BY MEANS OF PLUGS AND CORDS.
FRAMEWORK
Polished walnut and the front face is covered with fibre.
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
|