Inter-Communication Switch for Metallic Lines, to be used in connection with
a Magneto-Ringing Telephone Instrument.No. 776 shown
Inter-Communication Switch for Metallic Lines, to be used in connection with
a Magneto-Ringing Telephone Instrument.
No. 776 shown
| Catalogue Number | 774 | 775 | 776 |
| Number of lines | 10 | 15 | 20 |
| Height in Inches | 12 | 12 | 12 |
| Width in Inches | 6.5 | 6.5 | 6.5 |
| Weight in lbs. | 2 | 2'2 | 2'2 |
| PRICE | £1 12 6 | £1 17 0 | £2 1 0 |
Taken from the Ericsson Telephone Catalogue 1903
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