Survey of the scientific sale scene
Tennants’ (20/18.5/17.5% buyer’s premium) sale of Scientific and Musical Instruments, Cameras and Tools on February 17 included a rare brass altazimuth theodolite, signed by London instrument makers Heath and Wing. Estimated at just £300-400, it sold in its original box together with wooden tripod at £10,000.
This theodolite was probably made in the third quarter of the 18th century, its basic form derivin…