Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 72
are here expressed in inches and decimals ofan inch, not in vulgar fractions; as 0.125, instead of j,or 2.375 in. for 2f in. Yard-sticks are used in laboratories.* The usual form of the Metric Scale is shown in Fig. 39.The long lines, as act, mark decimeters; the shorter num-bered lines, as bb,… … 60 MENSURATION. are usually expressed in centimeters and decimals of a cen-timeter. For example, the scale to the line AB reads, inFig. 39 (from right to left), 59 cm. plus 3 mm.; this wouldbe recorded 59.30 cm. Meters areused for distances of over 100 cm.When the figures on scales are rightside…
Physics
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