A text-book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained .. (1850)
Minifie, William, 1805-1880. [from old catalog] · Baltimore, W. Minifie & co. · leaf 178
e side will appear shorter, and one of theends can also be seen, and the more the pencil is inclined thesmaller will be the angle subtended by its side, until nothing but theend would be visible. Again if a icheel be placed perpendicular-ly opposite the eye, its rim and hub would shew perfect… … W^Mm/le lUmccnicSons
