US636520A
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Transmission of sound and device for carrying same into effect.
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US636519A
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Transmission of sound.
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CA56882A
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Lamps, etc.
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CA51660A
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Telautograph
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CA6201A
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Improvements in the art of and in the apparatus for transmitting musicalsounds telegraphically
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CA5496A
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Art of transmitting musical sounds telegraphically and apparatus therefor
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CA45321A
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Art of telegraphy
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CA9483A
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Art of, and apparatus for, tansmitting sounds telegraphically
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CA6101A
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Electro-harmonic telegraph
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CA9482A
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Art of, and apparatus for, tansmitting sounds telegraphically
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CA45319A
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Telautograph
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CA45317A
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Telautograph
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CA45318A
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System of telautography
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CA8366A
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Improvements on multiple telegraphy
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CA45320A
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Telautograph
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CA9480A
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Apparatus for, tansmitting sounds telegraphically
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CA30839A
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Telautograph
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CA9481A
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Apparatus for tansmitting sounds telegraphically
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CA45453A
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Telautograph
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CA46395A
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Electro mechanical movement
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