WALL-PATTERN SWITCHBOARD
FOR EARTH CIRCUIT LINES 6 TO 25 LINES
Fitted with jack and indicator for each line. The connections are made by
mean of pairs of plugs and cords, with a ring-off indicator in series on each pair. A
service plug is provided for ringing the subscriber required and telling him that his
attention is sought. Lightning protectors, night bell with plug switch, hand
micro-telephone, and generator are included in the equipment. Also provided with all the
necessary terminals.
No. 622 shown
| Catalogue Number | 621 | 622 | 623 | 624 | 625 | 626 |
| Number of Lines | 6 | 9 | 12 | 16 | 20 | 25 |
| Pairs of Cords and Plugs | 2 | 3 | 4 | 4 | 5 | 5 |
| Height in Inches | 30.4 | 33.6 | 34.4 | 36.8 | 37.6 | 51.6 |
| Width in Inches | 8.8 | 8.8 | 9.6 | 9.6 | 11.6 | 11.6 |
| Weight in lbs. | 24 | 26.5 | 33 | 40 | 42 | 44 |
| PRICE £ | £11 10 0 | £13 5 0 | £15 10 0 | £17 0 0 | £19 10 0 |
Taken from the Ericsson Telephone Catalogue 1903
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