Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 362
PLANIMETERS—Continued … 4112 4112. Compensating Planimeter, German silver and brass; adjust-able tracer arm fully graduated, improved pole weight, testing-rule and table of settings for United States standard measure,with directions, in case each, $36.00 4114. Compensating Planimeter, like No. 4112, but with adjustable…
Engineering instruments · Drawing instruments
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
