Type OB 110Switches, Wall Pattern
Metallic Circuit
Local Battery System
Type OB 110
Switches, Wall Pattern
Metallic Circuit
Local Battery System
OB 110/10 shown
To be used in conjunction with any ordinary telephone instrument.
THE CONNECTIONS ARE MADE BY MEANS OF PLUGS AND CORDS.
FRAMEWORK
Polished walnut, the front face is covered with fibre.
EQUIPMENT
1 JACK per line.
1 OPERATOR'S JACK
1 CORD with 2 two-point plugs (see table for number per board).
1 OPERATOR'S PLUG AND CORD.
1 CALLING AND CLEARING INDICATOR per line.
NIGHT BELL.
NIGHT BELL SWITCH.
|
TYPE |
OLD TYPE No. |
No. of Metallic Ccts |
No. of cord ccts |
Height ins |
Width ins |
Depth ins |
Weight in lbs. |
|
OB 110/2 |
- |
2 |
1 |
10.23 |
9.25 |
5.90 |
6.61 |
|
OB 110/3 |
- |
3 |
1 |
10.23 |
9.25 |
5.90 |
7.05 |
|
OB 110/4 |
555 |
4 |
2 |
10.23 |
9.25 |
5.90 |
7.50 |
|
OB 110/5 |
556 |
5 |
2 |
10.23 |
9.25 |
5.90 |
7.90 |
|
OB 110/6 |
557 |
6 |
2 |
10.23 |
9.25 |
5.90 |
8.37 |
|
OB 110/8 |
558 |
8 |
3 |
12.20 |
9.84 |
5.90 |
11.02 |
|
OB 110/10 |
559 |
10 |
3 |
12.20 |
9.84 |
5.90 |
11.90 |
|
OB 110/12 |
560 |
12 |
4 |
12.20 |
9.84 |
5.90 |
13.23 |
|
OB 110/15 |
- |
15 |
4 |
14.37 |
14.97 |
5.90 |
16.31 |
|
OB 110/20 |
- |
20 |
5 |
14.37 |
14.97 |
5.90 |
18.08 |
|
OB 110/25 |
- |
25 |
5 |
16.93 |
14.97 |
5.90 |
22.50 |
Taken from the Ericsson Telephone Catalogue 1914
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