A Short and Mason brass Service Pattern Clinometer. This is a 1920's...
A precision level is a measuring instrument, used together with...
This is a brass clinometer dated to 1906. It is an optical device...
The clinometer is an optical device for measuring elevation angles...
A Surveyor Cross Head, English, Late 19th century. Black finish...
A dumpy level is used together with a measuring staff, to measure...
CA Surveyor Gravity Clinometer level made in England by Palmer....
A rare and unique boxwood Sandhurst protractor made by Stanley...
This solid brass Abney Level was made by Stanley in London, circa...