ut alter iron bed on which the lithographic stone rests. These attach- reached the area in question whenever the wave was one of ments make the press very heavy, and its management re- ation. exceptionable magnitude. A calculation was made with the Patented, Sept. 27, 1870, by R. A. Hutchin quires… … not then so apt to split in falling, nor so weight of the first lever to a point which will MAURICE’S AUTOGRAPHIC PRINTING PRESS: likely to ‘check’ in seasoning, as when cut give the pressure required. from April to August, in what is called ‘the spring. Fur- above formula to determine the average…
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