The practical draughtsman's book of industrial design, and machinist's and engineer's drawing companion: forming a complete course of mechanical, engineering, and architectural drawing (1866)
Armengaud, Charles A., 1813-1893, Armengaud, Charles, 1813-1893, [from old catalog] joint author, Amouroux, Jules, [from old catalog] joint author, Johnson, William, 1823-1864. [from old catalog] · Philadelphia, H. C. Baird · leaf 201
ur of an irksome kind. Attempts have been madeto avoid this by cutting the figure from the sheet of paper, andweighing it in a delicate balance against weights consisting ofparts of the same paper, of determinate sizes; but this method—atfirst sight simple and practical—is rendered of fittle use by… … BOOK OF INDUSTRIAL DESIGN. 193 Several planimeters, or instruments for mechanically mea-suring the area of plain surfaces, were exhibited in the GreatExhibition of 1851, and are noticed in Mr. Glaishers admirablereport on Class X., Philosophical Instruments, and pro-cesses depending upon their use.…
Mechanical drawing
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