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A RARE BOXWOOD SIX-FOLD SURVEYOR'S PLANE TABLE RULE, 18TH CENTURYunsigned, divided over both sides with degrees and inches -- 13½ x 16in. (34.5 x ...
A 9½IN. RADIUS OCTANT BY SPENCER BROWNING & CO., LONDON, CIRCA 1840the ebony T-frame with plates signed as per title and inset arc scale divided ...
A 13½IN. RADUIS VERNIER OCTANT, CIRCA 1800with ebony T-frame, inset ivory scale divided to 95°, brass index arm bearing inscription Gilbert London...
A 9½IN. RADIUS VERNIER OCTANT BY THOMAS HARRIS, LONDON, CIRCA 1810the ebony 'T' frame with ivory scale divided to 105º, lacquered brass vernier si...
AN EXCEPTIONAL 8IN. RADIUS VERNIER SEXTANT BY WILLIAM DOLLOND, LONDON, CIRCA 1860the lacquered brass and partially oxidised T-frame retaining most...
A 7½IN. RADIUS DOUBLE-FRAMED SEXTANT BY CHARLES SHEPHERD, LONDON, CIRCA 1850with oxidised brass 'T' frame, brass arc signed Shepherd, Leadenhall S...
A 3IN. DESK GLOBE BY NEWTON & SON, LONDON, CIRCA 1840signed in cartouche as per title and North Pacific ocean, continents outlined in hand colouri...
A 1IN. NOVELTY GLOBE, CIRCA 1880
A 1IN. NOVELTY GLOBE, CIRCA 1880unsigned, printed coloured gores and mounted on a turned ebonised wooden stand – 2½in. (6.5cm.) high ...[more]
A BETT'S PORTABLE 'UMBRELLA' TERRESTRIAL GLOBE, CIRCA 1880the 18in. coloured silk globe with contrasting countries and continents with British Emp...
A POCKET BAROMETER BY SHORT & MASON, LONDON, CIRCA 1910the 1¾in. dial signed as per title with trademarks and inscribed Compensated and TyCos, the...
A WALL-MOUNTED MAGNETO TELEPHONE BY L.M. ERICSSON & CO., STOCKHOLM, CIRCA 1910the handle with Bakelite grip and trumpet mouthpiece, signed in tran...
A RARE 'DR. GALL' CRANIOLOGICAL SNUFF BOX, CIRCA 1828constructed in pressed fruitwood with tortoishell lining, the lid depicting front, side and r...
A PHRENOLOGY INKWELL BY F. BRIDGES, CIRCA 1850modelled in blue and white porcelain, the head with inset phrenology zones over recesses for three p...
'PHRENOLOGICAL ILLUSTRATIONS...'designed and published by George Cruickshank and retailed by J. Robins & Co., London, 1826, comprising six hand-co...
A RARE SET OF GEOMETRIC SOLID SHAPES BY THOMAS LARKIN FOR RETAIL BY WILLIAM HARRIS & CO., LONDON,
A RARE SET OF GEOMETRIC SOLID SHAPES BY THOMAS LARKIN FOR RETAIL BY WILLIAM HARRIS & CO., LONDON, CIRCA 1815comprising 40 numbered shapes viz: 14 ...
A FINE SILVER SCISSOR-TYPE PARALLEL RULE BY J. GILBERT, LONDON, CIRCA 1780signed and inscribed J. Gilbert, Ludgate Street, London, the top engrave...
AN EARLY 20TH CENTURY DRAWING SETunsigned but probably by Harling, plush-fitted top tray with near-complete complement of compass, dividers, pens ...
A STATION POINTER BY TROUGHTON & SIMMS FOR THE HYDROGRAPHIC OFFICE, 1922constructed in lacquered brass with 8in. scale, middle arm signed as per t...
A 4IN. DIAMETER STATION POINTER BY J.D. POTTER, LONDON, CIRCA 1840; together with five other
A 4IN. DIAMETER STATION POINTER BY J.D. POTTER, LONDON, CIRCA 1840constructed in lacquered brass signed Potter, London by arc, contained in fitted...
A COLLECTION OF 20TH CENTURY INSTRUMENTScomprising a three-circle micrometer sextant by Kelvin & Hughes, circa 1953; two brass roller rules; a bra...
A DOMESTIC BAROMETER BY E. TOTTENHAM, DUBLIN, CIRCA 1900the ivorine scale signed E. Tottenham, 38 College Green, Dublin, with vernier scale and th...
AN IVORY AND GILT BRASS MONOCULAR BY DOLLOND, CIRCA 1800with 1½in. objective, single draw signed Dollond London -- 2¾in. (7cm.) high; together wit...
AN IVORY AND GILT BRASS MONOCULAR BY MATTHEW BERGE, CIRCA 1800with 1½in. objective, single draw signed on the cuff Berge London Late Ramsden -- 3i...
AN ADAMS-PATENT IVORY AND SILVER PLATED MONOCULAR, CIRCA 1800with 1½in. objective, ivory tube with four draws, the last signed Adams, Fleet St., ...
A DIEPPE IVORY DESK THERMOMETER, CIRCA 1830turned ivory with threaded connections, the front with mercury tube secured to front divided in Fahrenh...
A PAIR OF 15 X 80 MILITARY OBSERVATION BINOCULARS BY NIKKO, CIRCA 1940with green painted tubes, backplates stamped with maker's names and numbered...
A PAIR OF JAPANESE 15 x 80 'BIG EYE' NAVAL BRIDGE BINOCULARS BY FUJI, CIRCA 1960constructed in polished steel and brass with rubber eye caps, stam...
A 2½IN. REFRACTING LIBRARY TELESCOPE BY E. ELLIOTT, LONDON, CIRCA 1980the 24in. lacquered brass main tube signed on the backplate as per title, wi...
A 3IN. REFRACTING ASTRONOMICAL TELESCOPE BY J.H. STEWARD LTD, LONDON, CIRCA 1920the 32in. lacquered brass main tube with eyepieces with two draws,...
A HARPOON SHIP'S LOG BY T. WALKER & SON, CIRCA 1880constructed in lacquered brass with enamel dials divided for tens, singles and fractions of a m...
A TORPEDO HARPOON SHIP'S LOG BY J. HAND OF NANTUCKET, CIRCA 1880the 3½in. enamel dial plate signed and inscribed as per title with recording dials...
A 2IN. REFRACTING TELESCOPE BY DOLLOND, LONDON, CIRCA 1860the 28in. main tube with rack-and-pinion fine focus, signed on the backplate as per titl...
A 1½IN. OFFICER OF THE WATCH PATTERN SINGLE DRAWER TELESCOPE BY ROSS, LONDON, CIRCA 1920 and other
A 1½IN. OFFICER OF THE WATCH PATTERN SINGLE DRAWER TELESCOPE BY ROSS, LONDON, CIRCA 1920signed by the eyepiece as per title and numbered '52628', ...
A 1¼IN. OFFICER OF THE WATCH PATTERN TELESCOPE RETAILED BY GIEVES LTD, CIRCA 1920signed as per title and numbered '9330', eyepiece, dust slide, le...
A MARINE BAROMETER BY KEOHAN, LONDON, CIRCA 1830the ivory scale signed Keohan, East Smithfield, London, with adjustable scales, burr walnut case, ...
A GOOD ADMIRAL FITZROY TYPE BAROMETER, CIRCA 1880the 9½in. paper dial signed "Royal Polytechnic Barometer, Joseph Davis & Co., London", with twin ...
A MECHANICAL BAROGRAPH BY TORWIN, CIRCA 1950clockwork mechanism, eight capsule pressure drum and chart drawer and bevelled glass cover -- 9 x 15in...
A MODERN BAROGRAPH RETAILED BY R.R. LUCKING, HAMPTON COURTwith lacquered brass fittings, signed as per title, and battery compartment under wooden...
A SET OF 19TH CENTURY CHINESE DENTAL INSTRUMENTScomprising 12 assorted instruments with polished steel heads and elaborately carved mother-of-pear...
A 19TH CENTURY WIMSHURST-PATTERN ELECTRICAL MACHINEthe contra-rotating 18in. diam glass plates with copper contacts, lacquered brass brush fitting...
A RARE CALCULATING CYLINDER BY McFARLANE, CIRCA 1833printed arithmetic tables signed McFarlane's Calculating Cylinder pasted and varnished over 2i...
A RARE LORD'S PATENT CALCULATOR FOR THE TEXTILE INDUSTRY BY W. WILSON, LONDON, CIRCA 1920the 9in, silvered dial signed as per title, with three in...
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