Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 353
BAUSCH & LOME ENGINEERS PRECISE LEVEL HYPSOMETRIC … 3943L. Engineers Precise Level with vertical control, inverting orerecting telescope as desired, aperture If-inch, fully utilized,power X 26 with very sensitive bubble, steel center four-screw base, and split leg tripod, etc $120.00 Gradienter drum for vertical adjustment for the observation or…
Engineering instruments · Drawing instruments
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