1810s Scientific Instruments

Barometer complete with clock signed F. Somalvico N ° 11 Brook Str. Holborn London datable between 1810 and 1820. Finely crafted mahogany wood case with cedar wood edges. Large silve...

English Regency gilt stenciled figural and floral ebonized dital harp signed by maker Edward Light. Retailed at Srohl Foley place London, Early 19th century.

A fine quality example of a mercury wheel barometer. A mahogany case. A wider and deeper case with an opening door for the long scale thermometer with silvered dial. A silvered engraved dial signed 'J.B.Sala, Holborn'. Circa 1820. The banjo barometer is also known as the wheel barometer. It was invented by Robert Hooke...

A 3 ½ inch Regency Lane’s pocket globe, dated 1818, the terrestrial globe with the seas in light green and the land masses outlined in darker green, contained within a hinged black shagreen case, the concave interior of the case applied with the engraved celestial charts...

English brass scale with centered urn , feather pointer , brass pans, marble base , and terminating on brass ball feet. All original . Early 19t...

Pharmacy mortar. Bronze. Spain, 1816. Mortar with an excavated mouth, decoration of derived ribs in pilasters and a stripe in the upper area with an inscription (I am from Don Juan Antonio...

This superbly crafted wheel barometer and thermometer has a mahogany case surrounded by twisted brass stringing and central panels of foliate tendrils above Russell’s signature thistle motif in black and gilt verre églomisé. It is surmounted by a brass Prince of Wales feather finial. The long, rectangular thermometer plate is inscribed ‘Thermometers: Beaumar, Fahrenheit, Royal Society of London’, the latter being an early attempt to standardise temperature measurement. The circular dial is inscribed ‘Changeable, Fair, Settled Fair, Much Rain’ and ‘Rain’ and signed across the centre ‘J Russell, Falkirk, Invt et Fecit, Watch Maker to his R.H the Prince Regent’. The reverse has a paper label ‘Russell, Iden Collection Inventory 1896’. Scottish, circa 1815. Provenance: Mr Walter Iden. Published: Percy G. Dawson, The Iden Clock Collection, Woodbridge, 1987. No.125, p.280. These ‘royal barometers’ were so named because John Russell of Falkirk...

William Cary, London Circular Protractor. C.1810 The protractor with geared knob turn for full diameter bar, double hinged scribe arms with shaped frame. Main wheel with four spokes and glass sight cross centre, full circumference inscribed divider to 360 degrees signed Cary, London to the bar. Adjustment screws to the arms and housed in it’s original mahogany case with hinged lid. William Cary is listed as working in Strand, London from 1801 to 1825. William Cary was an important scientific instrument maker, he trained under Jesse Ramsden (1735-1800) he produced numerous scientific instruments including mechanical calculators...