Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 168
NOYES VERTICAL T SQUARE … 1410 This instrument comprises a Vertical T Square, combined with a ver-tically slidable protractor carrying interchangeable scales, and guided by asteel track. The smaller sizes for drawings 24 x 36, 30 x 42, and 36 x 48 can beused equally well on either Vertically inclined or Horizontal Boards,…
Engineering instruments · Drawing instruments
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
