Fullerphone Office Mark I

Fullerphone Office Mark I

The Fullerphone Office Mark I was used in the First World War.

The telephone featured a morse key fixed-mounted on the control panel along with a reverse current switch and potentiometer. A Telephone, Hand, D Mark III or a Telephone, Hand, F could be used to provide voice communication. Inside the lid was affixed a wiring diagram and operating instructions.

Related Pages

• Telephone, Hand, F
• The Fullerphone - Its Action and Use, March 1917

Related Items

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  Fullerphone Office Mark I (1a)

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  Fullerphone Office Mark I (1b)

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  Fullerphone Office Mark I (1c)

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  Fullerphone Office Mark I (1d)

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  Fullerphone Office Mark I (1e)

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  Fullerphone Office Mark I (1f)

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  Fullerphone Office Mark I (1g)

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  Fullerphone Office Mark I (1h)

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  Fullerphone Office Mark I (1i)

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  Telephone Hand F (1a)

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  Telephone Hand F (1b)

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  Telephone Hand F (1c)

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  Telephone Hand F (1d)

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  Telephone Hand F (1f)

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  Telephone Hand F (1g)