Ubicación virtual: Telephony
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SN051
Apparatus with cast metal base and fluted shaft. Separate transmission and reception system. Fabric cord.
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SN053
Integrated handset (voice and audio), fabric cable and grommet to hang on a wall phone.
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SN054
Circular device made of wood and metal in the shape of a donut with a separate audio and voice system. Fabric cord.
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SN065
Wooden device with magnet and crank. Front bells, audio system and separate voice. Shelf for messages and fabric cable.
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SN081
Apparatus with nickel-plated base and column, separate transmission and reception system. Fabric cord.
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SN085
Device with a metal base to which a system of scissors is attached to hold a telephone, operating audio and voice separately. Fabric cord.
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SN086
Fixture with metal column attached to a scissor system to be fixed to the wall. Independent audio and voice operation. Fabric cord.
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SN088
Wooden device with one of the first disc models to mark an automatic central. Separate audio and voice system. Fabric cord.
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SN92
Piece of wood for installation of a telephone system.
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SN96
Usually used in long distance calls where the green lever was to start the count and the red one to stop it.