How to make inventions; or, Inventing as a science and an art . A^> ^? V, Si* / -^«2^^. O o o HZ UJ I-< a. CO How TO Make Inventions; OR, INVENTING kl A MIGNGE AND AN ART. J PRACTICA L GUIDE FOR INVENTORS. EDWARD P. THOMPSON, , Member American Society of Mechanical Engineers; Member, an Examiner and an ex-Manager American Institute of Electrical Engineers ; Member New York Electrical Society. ILLUSTRATED BY WILLIAM A. COURTLAND. SECOND EDITION. Revised and Enlarged. New York: D. VAN NOSTRAND CO., 23 Murray and 27 Warren

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Keywords: ., bookcentury1800, bookdecade1890, bookidhow, booksubjectinventions