Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 358
4010 4010. Abneys Level, 5 inches long large German silver arc with drawtelescope and improved central fixing clamp to vernier arcs;divided each way to 90 degrees, with vernier reading to 10minutes. Positive clamp device. Silver reflector. In leathertuck case with flap and book of instructions.… … 4015 4015. Abneys Level, improved form with a circular base on which the whole rotates by which horizontal angles can be measured.Complete in case each, $26.00 4016. Same as No. 4015, in solid-leather sling case each, $31.00 23 351
Engineering instruments · Drawing instruments
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