Architectural details for every type of building : a practical drafting room guide for contractors, builders, lumber dealers, millmen, draftsmen and architects. (1921)
William A. Radford · William A. Radford · leaf 121
Pulley—-Q ■Rope- Pulley. ^ Removable POORS THISSIDE OF CHUTE ,MOW-FL0GL I 5v / DOOR AT BOTTOM 01 ^n / HAYCHUJE2ARTIY\tf OPEN / … MOW FLOOR J_ 2-10 Floor joist 24apart