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Cover of Ingenious Mechanisms for Designers and Inventors, 1930-67 (Volume 1) (Ingenious Mechanisms for Designers & Inventors)

Ingenious Mechanisms for Designers and Inventors, 1930-67 (Volume 1) (Ingenious Mechanisms for Designers & Inventors)

by Franklin Day Jones

Long Now Manual for Civilization
Writing a summary for young readers…

For young readers

Book data: Open Library