Scientific American Supplement, No. 799, April 25, 1891| author | Various |
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| download | pg11649.pdb (1032K) |
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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 #11649 2004-03-01 |
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