Fitted with similar parts to No. 622, but with all apparatus arranged for
metallic circuit working, and with high-resistance ring-off indicators in bridge, instead
of low-resistance ones in series.WALL-PATTERN SWITCHBOARD
FOR METALLIC CIRCUIT LINES, 6 to 25 LINES
Fitted with similar parts to No. 622, but with all apparatus arranged for
metallic circuit working, and with high-resistance ring-off indicators in bridge, instead
of low-resistance ones in series.
No. 629 shown
| Catalogue Number | 627 | 628 | 629 | 630 | 631 | 632 |
| 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 | £13 0 0 | £14 10 0 | £16 10 0 | £19 0 0 | £21 10 0 | £24 0 0 |
Taken from the Ericsson Telephone Catalogue 1903
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