A text book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained
A manual of geometrical and mechanical drawing by William Minifie, published in Baltimore in 1849 for machinists, draftsmen and school pupils learning descriptive geometry, projection and perspective. The plates are engraved line constructions "" cones unrolled into numbered sectors, cylinders cast in graded shading, developed surfaces hatched in flat tone "" with lettered points, dotted projection lines and italic figure captions useful as diagram vocabulary, grid and scale motifs, or abstract geometric fields.





















































































































