Scientific Instruments
Showing 13–24 of 67 results
Brass Protractor
An early brass protractor with hand engraved scales. Signed J Gates, early 19th century. 135mm wide
Item: TH101
Brewer’s Proof Rule
Brewer's proof ruler, made of boxwood by Josh Casartelli & Son, 43 Market St, Mancester. 320mm long
Item: TH90
Brewer’s Saccharometer
With additional slide rule in original case. Box size 22 x 8 x 3cms, slide rule 30 x 5cms
Item: GWPC31
Cased Sovereign Scales Circa 1850
Card cased sovereign scales to weigh full and half sovereigns. Unusual screw mounting base. Scales size 10cms x 1.2cms
Item: TH46
Cased Theodolite
Leather cased theodolite with wood internal case, with unusual hand screw on stand. Size theodolite 23cm x 23cms
Item: TH123
Circular 360 Protractor
A laquered 360 degree brass protractor by Cary, London, circa 1840s. 16cms diameter
Item: TH108
Circular Brass Protractor
Brass mahogany cased circular protractor by T B Winter, Newcastle. Some slight case distortion therefore the protractor does not sit in case flat. Circa 1880. 7" round
Item: TH126
Clinometer in Leather Case
Leather cased clinometer signed WRP MKV 1944 with an Army Crow's Foot mark. Size 12cms x 5cms
Item: TH119
Coin Scales
Circa 1800 manufactured in Germany. In original case. Length 13cms x width of bar 13cms
Item: TH23
Cross Staff
Cased cross staff by Stanley, London C 1900. Painted finish in very good condition with integral handle for tripod fitting or hand held.
Item: TH75
Drum Sextant by Cary
Brass cased drum sextant by Cary, London. Also engraved The Polytechnic Arch Sch, Circa 1900s. Size 8cms x 8cms
Item: TH121
Drum Sextant by Stanley
Brass cased drum sextant by Stanley, London. Also engraved The Polytechnic Arch Sch. Size 8cms x 8cms
Item: TH120