How to make inventions; or, Inventing as a science and an art (1893)
Thompson, Edward P · New York, D. Van Nostrand co · leaf 176
ist of all the given quantities of the problem,and to reduce the first crude designs to successive simplerforms. 2. Design an original device for shelling peas. The condi-tions are :—to be operated by turning a crank or by operating alever. The pods in nature are double, attached together… … 3. A great inventor was alluded to heretofore, who whenyoung saw for the first time only the outside of ;i clock. Hedetermined to make a clock merely by a process of guessing the 162 construction of the one he saw. He succeeded, and this prac-tice gained its useful part in the cultivation of his…
Inventions
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