Inventions and Patents
Nystrom received many patents for inventions such as a marine steam engine, a refrigerator, and calculating machines. His slide ruler invention (U. S. patent #7961) was filed with the United States Patent Office on March 4, 1851.
Nystrom is most noted for his proposal to switch from base 10 to base 16 as defined in his 1862 publication titled Project of a New System of Arithmetic, Weight, Measure and Coins, Proposed to be Called the Tonal System, with Sixteen to the Base.
Read more about this topic: John W. Nystrom
Famous quotes containing the word inventions:
“In America, the geography is sublime, but the men are not: the inventions are excellent, but the inventors one is sometimes ashamed of.”
—Ralph Waldo Emerson (1803–1882)