Scientific American Supplement, No. 717, September 28, 1889| author | Various |
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| download | pg17755.pdb (844K) |
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| language | English |
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| categories | Science -- Periodicals T: Technology (General) |
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| copyright status | Public domain in the USA. |
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| source | Project Gutenberg EBook #17755 2006-02-12 |
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