Abstract
ALIGNMENT charts have been used to some extent by engineers in recent years, and are capable of being employed to a much greater extent. The method was developed very largely by Prof. Peddle, of the Rose Polytechnic Institute, U.S.A., and his method of treatment has been followed by the author of the little book before us, with some variation in details. In this system of plotting scales of the variables involved are set off along parallel lines, and a straight-edge laid across the lines enables one of the variables to be determined when the others are given. The author describes methods to be followed when there are three, four, or more variables, and gives illustrations of the plotting of reinforced concrete column, boiler shell, steel beams, shafts, and other engineering formulæ.
Alignment Charts: their Principle and Application to Engineering Formulae.
By E. S. Andrews. Pp. 32. (London: Published for James Selwyn and Co. by Chapman and Hall, Ltd.) 1s. 3d. net.
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Alignment Charts: their Principle and Application to Engineering Formulae . Nature 96, 113–114 (1915). https://doi.org/10.1038/096113c0
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DOI: https://doi.org/10.1038/096113c0
