Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 61
of equal parts, the perpendicular distances of the outline of the diagram above and below the atmosphere line at each of these points, to be carefully measured upon the scale of the instrument, and tli«sum of these to be divided by the number of points taken. Hence llie actual power of the engine… … Uorlns Indicator.—That eminent French mechanician, M. Arthur Jlorin, conceiving, with reason, thatcjnsiderable inaccuracy was hkely to result from flie difficulty of constructing the spiral springs inMacnaughts indicator, so as at all parts of the stroke to denote equal pressures by equal…
Mechanical engineering · Mechanics · Engineering
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