Higbee, F. G · New York, John Wiley & Sons · leaf 204
Problem 284. Cowl for Ships Ventilator A B C D E X Numberof Sections a 12 6 18 8 14 i°S Five b 18 9 24 9 18 loS Five c 18 9 24 9 18 loS Four d 12 6 18 8 14 90 Two e 14 8 20 9 12 loS Five MODEL MAKING 193 … Problem 285. Transition Piece A B C D E F G H a 12 4 8 4 6 12 6 6 b 12 4 8 4 6 12 3 6 c 12 4 8 4 6 8 4 3 d 12 4 8 4 6 12 3 3 e 12 4 8 4 4 12 6 10 194 ESSENTIALS OF DESCRIPTIVE GEOMETRY
Geometry, Descriptive
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