NF Patent: 15 - Improvements in electric telegraphs


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NF Patent: NF-15

Improvements in electric telegraphs

Patentees:

Asa F. Woodman (exact or similar names) - Portland, ME

Moses G. Farmer (exact or similar names) - Salem, MA

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Mar. 04, 1857

Patent Pictures:

Description: