![]() Ref: Eugene Dietzgen Co., Catalogue (Chicago, 1921), pp. This instrument belonged to the University of Montana and, when new, cost $260. There are clamps and tangent screws to the horizontal circle and to the telescope axis. Burt solar attachments were typically the style used by Gurley and Roach on. The vertical circle is silvered, graduated, and read by vernier to single minutes. Fullerton Ave. buys & sells antique surveying instruments, solar transits. The horizontal circle is silvered, graduated in both directions, and read by opposite verniers to single minutes. ![]() The original finish on the Mahogany box is in like new condition noting minor scuffs. It has a 5' vertical circle w/ optional scale reader and fine adjust. The needle lifter is not functioning, and the needle does not swing properly. The almond colored compass face is flawless. Height 12.5 inches horizontal circle 5.25 inches diameter vertical circle 4.5 inches diameter needle 3.75 inches long telescope 9.5 inches long hanging level 5 inches longÄietzgen introduced this form around 1920, termed it a Highway Transit, and was still offering in the late 1930s. The green / bronze lacquer finish on the instrument is very nice. Physical Sciences Collection - Surveying and Geodesy
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