Haswell's engineers' and mechanics' pocket-book .. (1844)
Haswell, Chas. H. (Charles Haynes), 1809-1907 · New York, Harper & brothers · leaf 73
duct exceeds the other, add them together, and when the cosine is0, the product is 0. MENSURATION OF SURFACES. 65 To find the Area of an Elliptic Segment, <^^g—fig- 16.Rule.—Divide the height of the segment a;? by the axis ah, ofwhich it is a part, and find in the table of circular segments,… … To find the Area of a Parabola—fig. 17.Rule.—Multiply the base dfhy the height ^e, and | of the prod-uct will be the area. To find the Area of a Frustrum of a Parabola—fig. 17.Rule.—Multiply the difference of the cubes of the two ends ofthe frustrum acdf by twice its altitude be, and divide the…
Engineering · Mechanical engineering
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