Hale, Joseph W. L. (Joseph Woodwell Ledwidge), 1886- · New York [etc.] McGraw-Hill book company · leaf 202
Fig. 166. Fig. 167. found to be 43° 40 and 50° 20 respectively, what is the distanceABl 9. It is desired to find the height of the stack shown in Fig.170. The angle of elevation of a point in the horizontal plane
Mechanics, Applied
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