Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . Harvester Pitman-Head. open at both ends and bent at right angles. Thelonger leg is graduated and held vertically while the Fig. Pitman-Box Pitman-coupling. A means of connecting apitman to the object which it drives. Wrist-Wheel, Wri^t,anJ Pilman-Htad.

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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering