The electro-magnetic telegraph : a defence against the injurious deductions drawn from the deposition of Prof. Joseph Henry (in the several telegraph suits) : with a critical review of said desposition, and an examination of Prof. Henry's alleged discoveries, bearing upon the electro-magnetic telegraph /
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| Format: | Microform Book |
| Language: | English |
| Subjects: |
Evans: Microforms (3rd floor)
| Call Number: |
print 30 |
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