Circa 1700 LaMotte Surveyors Theodolite

This is a fascinating and unique Theodolite that is engraved as a Semicircle - only 180 degrees. The Theodolite was made by Jean Baptiste Van Lerberghe of Bollezelle, France. Bo...

This is a Wonderful Pike & Sons Theodolite (166 Broadway) complete with Box & Tripod. American made 19th century Theodolites are VERY common. Finding one in great shape with its or...

This is a BEAUTIFUL Graphometer made by the premier instrument maker in France, Claude Langlois, after Bion and Butterfield had stopped making instruments. As discussed on my Graphometer - Semicircle webpage, the French produced a good number of Graphometers from 1600 to about 1850. And a fair number of these Graphometers are still around. If you want to add a really nice Graphometer to your collection, this Langlois merits serious consideration for these reasons: 1. While not as well-known internationally as Bion and Butterfield, Langlois was The Man in France after Bion and Butterfield had passed away. 2. The President of Harvard College...

Theodolite by Carl Zeiss Jena D.R.G.M. 1920s, light gray and black painted brass, internal horizontal and vertical circle with microscope readings, rack and pinion focusing. Very goo...

From Wikipedia: “A THEODOLITE is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The traditional use has been for land...

A fine working English surveyor's theodolite or transit instrument (aka a dumpy level or surveyors level) of brass, No.80148, by W.F. Stanley (Great Turnstile, Holborn, London), circ...

Cooke Troughton & Simms Theodolite in fitted mahogany case.

This is a vintage surveyor's level. An English, brass scientific instrument with enamelled finish, dating to the mid 20th century, circa 1950. Appe...

A 1912 Keuffel & Esser Co. railroad surveyor's transit. Includes outfitted mahogany case. All original with matching serials. Approximately 70 inches tall with a 24 inch leg sprea...