Text and two illustrations from page 118 of the 1853 volume The Electro Magnetic Telegraph detailing the printing telegraph system invented by Royal Earl House (1814-1895) in 1846. An example of a synchronous data transmission system, the device consisted of two 28-key piano-style keyboards linked by wires and 56-character typewheels on both the sending and receiving ends.
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|Rights||Public Domain Mark 1.0|
Turnbull, Laurence. “House Printing Telegraph System.” The Electro Magnetic Telegraph: with an Historical Account of Its Rise, Progress, and Present Condition . Philadelphia, Pennsylvania, 1853. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/d1awyqo.
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