Items tagged clockwork mechanisms in MV Collections

(showing 1 - 4) 4 items

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  Bell - Wheatstone Alphabetical Telegraph, 1858

  Wheatstone clockwork bell, used with the Wheatstone Alphabetical Telegraph system. The bell signalled to the operator that a message was coming through.

  Images: 1
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  Bell - Wheatstone Alphabetical Telegraph, 1858

  Wheatstone clockwork bell, used with the Wheatstone Alphabetical Telegraph system. The bell signalled to the operator that a message was coming through.

  Images: 1
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  Telegraph Register - Siemens Bros, Embossing, post 1865

  Telegraph embossing register. For receiving and recording telegraph signals. In operation, the intermittent current generated by the received signals causes the embossing stylus to be ...

  From: London, United Kingdom Images: 1
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  Telegraph Tape Transmitter - Cable & Wireless, circa 1930s

  Device used to transmit signals in an electric telegraph system. It converted a pattern of perforations on a continuous paper tape into pulses of electrical current representing letters ...

  Images: 1