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US Patent: 16,828
Improvement in telegraphic repeaters
Patentees:
Moses G. Farmer - Salem, MA
Asa F. Woodman - Portland, ME

USPTO Classifications:
178/72

Tool Categories:
specialty machines : telegraphy apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Noble
Francis Gould

Patent Dates:
Granted: Mar. 17, 1857

Patent Pictures:
USPTO pdf tiff
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Description:
See also the early Newfoundland patent NF-10.

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