Scientific American Supplement, No. 312, December 24, 1881 Summary

Everything you need to understand or teach Scientific American Supplement, No. 312, December 24, 1881.

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The Scientific American Supplement, No. 312, December 24, 1881 Study Pack contains about 107 pages of study material in 1 product, including:

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31,869 words, approx. 107 pages
IMPROVED FIFTEEN TON CRANE. [Illustration:  Engraving.] [Illustration:  Side and Top View Plans.                &nb... Read more