A hand book of general instruction for mechanics, containing useful rules and memoranda for practical men (1907)
Smith, Franklin Elijah, 1872- · New York, D. Van Nostrand company · leaf 211
To Find the Surface of a Cylinder Rule. Multiply the diameter by 3.1416 and multiplythe product by the height. 198 A HAND BOOK FOR MECHANICS Example. Find the number of square inches in sur-face of a cylinder of the following dimensions. (Fig. 23.) … Fig. 23 Thus 4 = diameterAnd 10 = height Then 4 X 3.1416 = 12.5664 circumference 10 125.6640 sq. in. Arts. Example. What is the surface of a cylinder whosediameter is 9 inches and height 15 inches? 9 X 3.1416 = 28.2744 =• circumference Thus, 28.2744 X 15 = 424.1160, area of surface insquare inches.…
Mechanics · Arithmetic · Measurement
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-919-489.webp)
