The American electro magnetic telegraph : with the reports of Congress, and a description of all telegraphs known, employing electricity or galvanism : illustrated by eighty-one wood engravings /
| Main Author: | |
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| Format: | Microform Book |
| Language: | English |
| Published: |
Philadelphia :
Lea & Blanchard,
1847.
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| Subjects: |
Evans: Microforms (3rd floor)
| Call Number: |
fiche C 12953 |
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