Item K/PP107/11/1/14 - Telegraph relay, [1840-1850]

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K/PP107/11/1/14

Title

Telegraph relay, [1840-1850]

Date(s)

  • [1840 - 1850] (Creation)

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Item

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1 item

Scope and content

Telegraph relay used for long distance lines by re-transmitting a signal to the receiver or other apparatus.  Consists of an electromagnet housed in a semi-circular wooden case. [See K/PP107/1/4/100 for a description of improvements for relay for automatic telegraph.]

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