Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 375
4350 4352 4350. Mounted in rubber, 1 lens, 1 inch in diameter each, $ .35 4351. Mounted in rubber, 1 lens, IJ inches in diameter each, .55 4352. Mounted in rubber, 2 lenses, 1 inch in diameter each, .60 4353. Mounted in rubber, 2 lenses, H inches in diameter each, 1,00
Engineering instruments · Drawing instruments
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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