LOT 20 A BLACK JAPANNED AND LACQUERED BRASS ‘PATNA’ COMPOUND BINOCU...
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A BLACK JAPANNED AND LACQUERED BRASS 'PATNA' COMPOUND BINOCULAR MICROSCOPEW. WATSON AND SONS LIMITED, LONDON, CIRCA 1945The tube with twin eyepiece assembly, rack and pinion coarse and fine screw focus adjustment and inscribed High Power Binocular, W. Watson & Sons Ltd, 313 High Holborn, London, 82193 to front above single objective, the circular stage fitted with X and Y screw adjusting Vernier slide clips onto a rotating table, the underside with sub-stage condenser, electric lamp fitment and pivoted plano-concave mirror, the limb pivoted via locking axis support behind the stage, on 'Y' shaped foot, in original mahogany box with two pairs of eyepiece lenses and a small quantity of other accessories (some vacant apertures for further accessories), the inside of the door with applied magnification table label.The box 46cm (18ins) high excluding handle, 23.5cm (9.25ins) high, 25cm (9.75ins) deep.Provenance: Previously in the Maurice Gillett collection of microscopy, inventory ref. G3364; purchased by the vendor in these rooms on Tuesday 28th March 2017 (lot 12).William Watson is recorded in Gloria, Clifton Directory of British Scientific Instrument Makers 1550-1851 as setting up business in Clerkenwell, London in 1837 before moving to 313A High Holborn in 1869. In 1867 the firm became W. Watson & Son then W. Watson & Sons in 1882. In 1908 they became a Limited Company and continued trading well into the latter 20th century. Gillet notes that the firm of W. Watson and Son were awarded 42 gold and other medals at various International Exhibitions during the late 19th/early 20th centuries and advertised themselves as 'Opticians to Her Majesty's Government' in 1886.
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