ERICSSON TELEPHONE No. 890


TESTING SET No. 890

890.jpg (18110 bytes)This is used for testing the lines at the test board in order to ascertain whether a fault is inside or outside the Exchange. Fitted with hand micro-telephone No. 522 with cord No. 2142, galvanometer, five-magnet magneto generator No. 478, two bells, a three-way switch, four testing keys, and a two-way plug and cord.

Weight 26.5 lbs. Price 11 5s.
Taken from the Ericsson Telephone Catalogue 1903

 

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Last revised: November 02, 2010