Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 296
f^ SURVEYING AND SIGHT COMPASSES … 3530 3535 3530. Surveying Compass with folding sights on revolving ring, withvernier and scale for magnetic variations, with 3-2-inch barneedle, jeweled ball-and-socket mounting for Jacob staff, com-plete in mahogany case each, $25.00 3531. Same as No. 3530, but with 4-2--inch bar needle each,…
Engineering instruments · Drawing instruments
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