Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 34
On this track arrangement, blueprint cars may be run out of window forexposure. These tracks may be modified to suit certain conditions and arefurnished by us complete with blueprint frame and car for carrying same. 273. 30x42 inches, with cushion and plate glass. 274. 36x60 inches, with cushion… … W 276 Zinc or galvanized-iron trays with drain pipe, strong-wired rim, andhardwood braces. 275. 20 X 24 inches each, $ 5.50 276. 24 X 30 inches each, 6.75 277. 30x42 inches each, 9.00 278. 36 X 60 inches each, 12.00 Other sizes made to orderFigures submitted on any track arrangement to suit…
Engineering instruments · Drawing instruments
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-1175-605.webp)
