Description
William J. Young Surveyor's Transit: William J. Young Surveyor's Transit, no. 3901, 11-in. scope with rack focusing, "A"-frame supports, 6-in. dia. engraved dial marked "Wm. J. Young/Maker/3901/Philadelphia, " fleur-de-lis representing north, internal vernier, and adjustment knob below, circular spirit level, all mounted to a four-screw adjustable base, ht....