Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 250
FiQ. 213 … through 90°. This is the usual case, but any desired angle maybe secured at the miter by varying the angle between thecutting planes and elements, as shown in Fig. 213 (3). If the cutting plane is inclined, not only toward the elements,but also toward the plane of the base, as shown in Fig. 214(1),…
Geometry, Descriptive
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