SIEMENS BROTHERS No. Q3557

TELEPHONES, CENTRAL BATTERY
WALL TELEPHONES IN WOOD CASES

Q3557

Wall patterns electrically as above, but fitted with hand micro-telephone instead of with separate transmitter and receiver.

Dimensions
12" x 11" x 4.5" / 305mm x 279mm x 114mm

Taken from the Siemens Brothers Catalogue 1928

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Last revised: February 26, 2022

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