How to make inventions; or, Inventing as a science and an art (1893)
Thompson, Edward P · New York, D. Van Nostrand co · leaf 200
yeloped. Models Constrncted. Efficiency Tests. Working Drawings. Expert Testimony. /Complete equipment of tools of the latestand most approved design. Steam Engine. Electric Current. Experienced Assistants and Expert Mechanics. specialty:Transtormlng Mental into Physical InTentlons Correspondence… … a Year. Send your name and address for a free Specimen copy. Address the publishers, James Lepfel & Co., no Liberty Street, New York. THE BLAUVELT PHOTO & ENGRAVING GO. 218-222 FULTON ST., Bet. Church & Greenwich Sts., NEW YORK. )9i)OtOj9 of your wares for travelers use, Colored or…
Inventions
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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