A 19th-Century surveying transit, signed on the silvered dial W. & L.E. Gurley Troy N.Y., and further engraved F.W. Lincoln Jr & Co Agents, Boston Mass., the telescope with rack and pinion focusing and graduated bubble level, with axis raised on twin supports incorporating a bubble, tangent screw fine adjustment over the horizontal plate with enclosed silver circle and twin vernier, on 4 screw tripod mounting with trade label for Ledder & Probst Repairers 387 Washington St Boston, Mass., in mahogany carrying case - 13½in. (34.3cm.) high. See illustration
A 19th-Century surveying transit, signed on the silvered dial W. & L.E. Gurley Troy N.Y., and further engraved F.W. Lincoln Jr & Co Agents, Boston Mass., the telescope with rack and pinion focusing and graduated bubble level, with axis raised on twin supports incorporating a bubble, tangent screw fine adjustment over the horizontal plate with enclosed silver circle and twin vernier, on 4 screw tripod mounting with trade label for Ledder & Probst Repairers 387 Washington St Boston, Mass., in mahogany carrying case - 13½in. (34.3cm.) high. See illustration
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