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US Patent: 29,761
Electromagnet
Improvements in Telegraphic Apparatus
Patentee:
L. Bradley (exact or similar names) - New York, NY

USPTO Classifications:
178/98

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. S. Smith
John S. Hollingshead
Augustus Tohlers
L. Smith
Patent Dates:
Granted: Aug. 28, 1860

Patent Pictures:
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