The Telegrapher

The Telegrapher

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O Box 5603. New York City. For the week ended September 30, 1873, and bearing Uiat date. No. 143, 340.a€” Ciecuit Closeh and Circuit for ... An automatic circuit closer, having conductors for a single transmitter, in combination with a device for adjusting the same to the ... The lever detent g, resting against or upon a bulb containing quicksilver or other expansible liquid, oragalimt a spring controlled byanbsp;...

Title:The Telegrapher
Publisher: - 1873


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