Early Telephone Apparatus
Description:
Wood / walnut 3 box, 1 jug telephone made by Viaduct Manufacturing Company Baltimore with unmarked Blake transmitter and long pole receiver. This telephone has a very special switch hook mechanism known as "Comb's Universal Telephone Switchhook." as advertised in Knappen's book.
Title:
Viaduct 3 box, 1 jug telephone
Date:
1893
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