Spencer, Henry Cecil.
Engineering graphics problems / Henry Cecil Spencer, Ivan Leroy Hill and Robert Olin Loving. - 2nd ed. - London : Collier Macmillan, c 1975. - various pages : ill. ; 28 cm. - Series 1. .
318 318
Engineering graphics.
744.422 / S83e
Engineering graphics problems / Henry Cecil Spencer, Ivan Leroy Hill and Robert Olin Loving. - 2nd ed. - London : Collier Macmillan, c 1975. - various pages : ill. ; 28 cm. - Series 1. .
318 318
Engineering graphics.
744.422 / S83e