A manual of elementary geometrical drawing, involving three dimensions. Designed for use in high schools, academies, engineering schools, etc.: and for the self-instruction of inventors, artisans, etc. ... In five divisions .. (1868)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York : J. Wiley & son · leaf 50
be of certain thicknesses, while, in the use ofstone, the wall can be made of any thickness. Thus, to begin with the thinnest house wall which ever occurs,viz. one whose thickness equals the length of a brick, or 8 inches ;the next size, disregarding for the present the thickness of mortar,would be…
Geometrical drawing · Mechanical drawing
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
