Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 470
\\ hich the piston-ro 1 is fixed is kept in the straight line, bisecting the vibration, the positions of the lower end « of the strap are canmarked, as at cce; then the centre Q of the circle passing through these points will be the pwhich the radius-rod p e, connected to the strap at c, should be…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
