Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 102
To take off 3 miles, 2 furlongs, and 3 chains, one point will beon the primary division 3, and the other where the secondarydivision 2 intersects the tertiary division 3. These points aremarked by two small crosses on the scale. 88 GEOMETRICAL DRAWING AND DESIGN. 132. To take off any number to… … lOLOMtrJlES Fig. 186. Comparative Diagonal Scales useful for transferring thevalue of quantities in onemeasure to another. Tomake the scales less cum-bersome they are soarranged that in somecases the number to betaken off must be halved.With this proviso, anyquantity may be convertedfrom one scale…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
