Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 19
ementsof the perpendicular lines gave the results written above the lines respectively. Thecalculation is as follows: 25 X 1 ■= 25 24 X 4 = 96 2u| X 2 ^ 41| 221^x64^14,160; and 14|x4^ 58^ 14,lG0-rl2^--1,180 sq. in. Aiis. Sum - 2•^lf The reader, after studying the preceding calculation carefully,… … /* 64- ^ 1 < R, > Fig. 3.— Illustrating Kule III. Fig. 2.—Illustrating Rule II. the circle, and measure each one of them. Then multiply the middle one by 1, the nextone by 4, tlie next by 2, and the last by 4. Add all the products together, multiply thesum by the base of the segment, and…
Locomotives · Steam-boiler explosions
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