United States National Museum, Smithsonian Institution, United States. Department of the Interior · Washington : Smithsonian Institution Press, [etc.]; for sale by the Supt. of Docs., U.S. Govt Print. Off. · leaf 223
Figure 20. — Chebyshev’s combination (about 1867) of Watt’s and Evans’ Figure 19. — Pafnutii L’vovich Chebyshev linkages to reduce errors inherent in (1821-1894), Russian mathematician active in each. Points C, C\ and C” are fixed; analysis and synthesis of straight-line mecha- A is the tracing…
Science
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
