Scientific Instruments
Showing 1–12 of 41 results
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 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
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
Electrotherapy Device C1920
Wooden cased electrotherapy machine circa 1920 by Allen Hanburys Ltd, London (battery driven) with various attachments, sold untested and for display purposes only. Size H14cms x W14cms x D12.5cms
Item: TH72