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| PORTABLE SWITCHBOARD No. 860
This switchboard is specially useful for military purposes, in cases where a temporary telephone exchange has to be erected. It is provided with a complete operator's outfit. Made to order for any number of lines. Height of case, 31 inches
Taken from the Ericsson Telephone Catalogue 1903 |
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Last revised: March 27, 2024FM2 |
For 60 metallic circuits, with carbon lightning arresters in special strips, and plugs and
cords for making the connections; also fitted with hand micro-telephone No. 490 with cord
No. 7052.