Casper, Michael

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person

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Casper, Michael

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Casper, Michael

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1858

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active 1858

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1917

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active 1917

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Biographical History

The Vibroplex semi-automatic telegraph key was invented by Horace G. Martin in 1905.

From the description of Michael and Cathi Casper telegraph key collection, 1858-1917. (Cornell University Library). WorldCat record id: 64054123

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eng

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Latn

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https://viaf.org/viaf/231804950

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https://viaf.org/viaf/231804950

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https://viaf.org/viaf/231804950

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Telegraph

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Transatlantic cables

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http://n2t.net/ark:/99166/w6w09c2r

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w6w09c2r

SNAC ID

20653688

Casper, Michael

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