How to make inventions; or, Inventing as a science and an art (1893)
Thompson, Edward P · New York, D. Van Nostrand co · leaf 152
om-pleteness of conception of important details, and may^etermine 137 the question of operativeness. It is almost like building a model,but is greatly cheaper and much more easily accomplished.When the sketches are made, the inventor should draw up adetailed, but concentrated written description,… … jr/€^3. (i) a statement of the ^/V/ of the invention; (2) a statement ofthe construction ; (3) a statement of the operation. To under-stand how to do this, an illustration, as follows, will teach morethan manyj.abstract words. . 138 In the ordinary electric arc lamp, magnets are employed inorder to…
Inventions
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-128-49.webp)
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-427-263.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-101-33.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-909-408.webp)
