Appletons' cyclopædia of technical drawing : embracing the principles of construction as applied to practical design ... (1896)
Worthen, W. E. (William Ezra), 1819-1897 · New York : D. Appleton · leaf 584
FIG. 1374. FIG. 1375. In New England there has been introduced what are called fire-retardingconstructions for mills, of which the beams, posts, and floors are of wood. The
Mechanical drawing
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
