Scientific Instruments
Showing 1–12 of 51 results
19th Century Micrometer
19th century micrometer, scale to 100th inch, possibly for measuring cover slips for microscope slides. 60mm wide
Item: TH89
Addometer Desk Calculator
American mechanical desk calculator 1940-1950s. Size 29 x 6cms
Item: TH77
Air Ministry Dental Kit
In a black leather pouch embossed on the inside with the Air Ministry emblem and A & M on the front flap. Open size 35 x 30cms, closed 18 x 14cms
Item: TH37
Banjo Barometer & Thermometer
By Negetti & Zambra, circa 1900 in carved walnut case. Size Dial size 8", height 33"
Item: GWPC42
Barograph with Thermometer, C1900
Mahogany cased barograph with integral thermometer, 8 day movement with new pen and ink, with drawer for spare charts. Length 35cms, depth 22 cms, height 21cms
Item: TH61
Brewer’s Hydrometer
In it's original case with additional slide rule. Box size 22 x 8 x 3cms, slide rule 30 x 5cms
Item: GWPC30
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