Ontario. Dept. of Education · Toronto : W. Briggs · leaf 290
M ==^^^ … ■ ^1- top only, a rectangular space 2 high and of the same width as thesand-paper should be occupied by the unit, leaving a | space betweenthis rectangle and the panel for the sand-paper, which should also bedrawn. If the unit is to be placed both above and below the sand-paperpanel, a rectangle |…
Drawing
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Libro primo [-quinto] d'architettvra ... (1566)](https://img.insideoutlibrary.com/img/200/ia-libroprimoquinto00serl-199-242.webp)
