Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 298
Ps PRISMATIC SURVEYING COMPASSES D … 3545 3545. 3 Clinometer combined with prismatic compass, with floatingcard compass dial, jeweled center; clinometer scale graduated0° to 180° with scale of rise and fall of inches per yard, foldingprism and metal sight, bronzed metal case each, $34.00 3545A. 3 same as 3545, but compass fitted with…
Engineering instruments · Drawing instruments
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