US Number-Issued Patents (1836-1861, 1866-1920)

Improvement in repeaters for electro-magnetic telegraphs

Improvement in repeaters for electro-magnetic telegraphs

Inventor Name

Files

Patent Date

1850-11-12

Patent Number

7769

Location

Macon, Bibb County

Copyright

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Improvement in repeaters for electro-magnetic telegraphs

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