An historical sketch of Henry's contribution to the electro-magnetic telegraph with an account of the origin and development of Prof. Morse's invention /
Main Author: | |
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Format: | Book |
Language: | English |
Published: |
Washington :
Gov't Print. Off.,
1879
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Series: | Library of American civilization ;
LAC 12699 |
Subjects: |
Internet
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Call Number: |
E151 .L52x 1971 |
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