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 181
W^Mm/le lUmccnicSons … W::^i mar(.y.\on^ PLATE XLII. 85 gle at which they are viewed; the more the wheel is inclined theshorter will be the conjugate diameter of the ellipsis^ until thewhole would form a straight line whose length would be equalto the diameter^ and its breadth equal to the thickness of thewheel. This…
