Higbee, F. G · New York, John Wiley & Sons · leaf 199
X Notes a 8 16 8 8 14 60 b 12 18 12 10 12 45 c 8 16 8 8 14 30 d 12 18 12 10 12 30 e 8 14 10 8 18 60 MODEL MAKING 187 1_ < F > 1 ^^ \ -■■■ 1 ---. \ \ i ^^ c i / \ —1 / —I ! Problem 279. Hopper for Pipe A B C D E F G X Pipe Section a 12 6 6 10 3 S 10 90 Rect. b ■15 is 10 18 S 9 12 90 Circle c 6… … Problem 280. Conical Hopper on Cylindrical Pipe A B C D E X Y a 12 12 14 12 12 90 90 b 12 12 12 8 8 90 90 c 18 12 20 12 18 75 90 d 12 12 12 8 8 90 7S e 12 12 20 12 18 90 go MODEL MAKING 189
Geometry, Descriptive
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