Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 291
FLEXIBLE POCKET LEVELING RODS … 3450 f^ These Rods are made of pliable, strong, rubber canvas, divided likeself-reading rods. Can be coiled up and carried in the pocket. For use,they are fastened to a board or stick with thumbtacks. 3450. Flexible Pocket Leveling Rod, 10 feet long, divided into feet, lOths, and lOOths each, $3.25…
Engineering instruments · Drawing instruments
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