208 206 207


206. A 19TH-CENTURY MONOCULAR MICROSCOPE BY C.W. DIXIE, LONDON


signed on the barrel as per title and inscribed Optician to the Queen / New Bond Street, London, fine-screw adjustment, platform with rotating light disc and mirror, contained within fitted box with bull’s-eye lens and alternative eye-piece -- 14½in. (37cm.) diameter


£400-600


207. A LACQUERED-BRASS ENGLISH DRUM MICROSCOPE, C.1820


unsigned, with rack and pinion focusing, contained in fitted box with accessories -- 11in. (28cm.) diameter £400-600


208. AN 18TH-CENTURY THEODOLITE COMPASS MOUNT BY BENJAMIN COLE, LONDON


with 4in. silvered dial signed Cole Fecit, with elaborate compass rose, bubble level and blued steel compass needle swivel- mounted on brass circumferentor with brass star brace behind -- 8in. (20.3cm.) diameter


Benjamin Cole worked from several addresses around Fleet St. between 1720 and 1750; his son, also Benjamin made the octant in lot 219.


£150-250


209. ‘PRACTICAL MEASURING MADE EASY TO THE MEANEST CAPACITY..’


E. Hoppus, London, 1790, 12th edition, owners inscription on fly for Woolston Hall, Cheshire, with tables for measuring a huge variety of items including timber, nails etc., bound between original leather boards -- 8¼ x 3¼in. (21 x 8.3cm.)


£80-120


210. A LATE 18TH-CENTURY ENGLISH POCKET DRAWING ETUI


unsigned, comprising silver instruments with silver shafts and steel head with wing-nut adjustment, contained in a morocco- covered fitted box with silver owner’s plate -- 5in. (13cm.) high


£200-300


211. A CASED SET OF DRAWING INSTRUMENTS, CIRCA 1865


unsigned, comprising one tray with steel and ivory instruments inscribed with owner’s initials DHD, over lower tray with watercolour cakes by Newman’s of Soho, with architectural shapes under, contained within original mahogany box -- 8¾in. (22.3cm.) diameter


£150-250


210 70


211


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