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A BRIDGE TELEGRAPH BY CHADBURN'S, CIRCA 1900 heavily constructed in brass, signed on the single glass plate Chadburn's Ship Telegraph, Liverpool ,...
A FINE TWO-DAY MARINE CHRONOMETER BY A. JOHANNSEN & CO., LONDON, CIRCA 1898 the 4in. silvered dial signed as per title, numbered 4655 and inscribe...
A TWO DAY MARINE CHRONOMETER BY BROCKBANK, ATKINS & MOORE, LONDON, CIRCA 1880 the 4in. silvered dial signed as per title and numbered '2148', gold...
A BRASS COMPASS SUNDIAL BY MICHAEL BUTTERFIELD, PARIS, CIRCA 1700 with four chapter rings for latitudes 52°, 49°, 46° and 43°, folding bird indica...
A COMPASS SUNDIAL BY LORENZ GRASL, AUGSBURG, CIRCA 1770 the 1½in. silvered compass inset to decorative engraved brass platform with hinged lyre-sh...
A RARE PORTABLE SILVER COMPASS SUNDIAL BY JOHANN SOMMER, AUGSBURG, CIRCA 1680 signed on the compass plate as per title and engraved with four Euro...
A WOOD AND PAPER POCKET DIAL MADE FOR THE ENGLISH MARKET BY STOCKERT, BAVARIA, CIRCA 1790 of typical form signed on the raised chapter ring as per...
A FINE COMPASS SUNDIAL BY ROBERT BANKS, LONDON, CIRCA 1820 the 4½in. silvered dial with two inset bubble levels and plain indicator, hinged chapte...
A RARE EARLY 18TH CENTURY BRASS DECLINATORY DIAL unsigned , with inverted Roman numeral chapter ring and gnomon slot -- 9½in. (24cm.) diameter Ori...
A POCKET COMPASS BY G. BRADFORD, LONDON CIRCA 1820 the 2½in. card signed G. Bradford 99 Minories London , with brass pivot contained within brass ...
A POCKET COMPASS BY GILBERT & WRIGHT, LONDON, CIRCA 1802 the 1½in. card signed as per title mounted on a jewelled pivot, the silvered case with co...
Ø A 11½IN. RADIUS VERNIER OCTANT, CIRCA 1800 unsigned , the ebony T-frame with scale divided on Ramsden's engine to 100°, brass index arm, double ...
A COMPASS PELORUS-COURSE CORRECTOR BY BAIN & AINSLEY, CIRCA 1870 the independently rotating 8in. scale plates signed and inscribed to centre BAIN ...
Ø AN 11½IN. RADIUS OCTANT BY J.W. NORIE & CO., LONDON, CIRCA 1820 the ebony T-frame inset with ivory maker's label signed as per title, inset ivor...
A 8¼IN. RADIUS VERNIER SEXTANT BY THOMAS JONES, LONDON, CIRCA 1811 the oxidised brass lattice frame with polished brass arc signed Thos Jones, 21 ...
A 7IN. RADIUS LATTICE FRAME SEXTANT BY F. SMITH & SONS OPTICIANS, SOUTHAMPTON & COWES, CIRCA 1890
A 7IN. RADIUS LATTICE FRAME SEXTANT BY F. SMITH & SONS OPTICIANS, SOUTHAMPTON & COWES, CIRCA 1890 with oxidised brass frame, signed on the arc as ...
A LATE 18TH CENTURY 8IN. RADIUS OCTANT with oxidised brass T-frame, arc with inset scale divided to 110°, lacquered brass vernier with magnifier, ...
Ø A 7½IN. RADIUS VERNIER SEXTANT BY BOTTOMLEY, LONDON, CIRCA 1890 the oxidised brass ladder frame with polished brass arc signed as per title and ...
A 7IN. RADIUS HEART-FRAMED SEXTANT BY HEATH & CO. LTD, NEW ELTHAM, LONDON, CIRCA 1933 the oxidised brass frame with polished arc signed as per tit...
A 6IN. RADIUS VERNIER SEXTANT BY H. HUGHES & SONS, LONDON, CIRCA 1911 with oxidised brass three-circle Mate's pattern frame, the arc inset silvere...
SILVER QUINTANT BY CARY, C1830, BELIEVED TO HAVE BEEN USED BY I.K. BRUNEL & BEQUEATHED TO HIS SON
A SOLID SILVER MINIATURE SURVEYING QUINTANT BY CARY, LONDON, CIRCA 1830, BELIEVED TO HAVE BEEN OWNED BY ISAMBARD KINGDOM BRUNEL AND PASSED TO HIS ...
BILL: PHILOSOPHICAL LECTURES AND SCIENTIFIC EXHIBITION, 1839 The Theatre, Lymington, comprising Mr Popham's exposition of Astronomy, the Earth 're...
CASED SET OF MICROSCOPY LECTURE SLIDES USED BY THE REV. R.G. DALLINGER D.S.c. F.R.S., CIRCA 1880
AN HISTORICALLY IMPORTANT CASED SET OF MICROSCOPY MAGIC LANTERN LECTURE SLIDES USED BY THE REV. R.G. DALLINGER D.S.c. F.R.S., CIRCA 1880 comprisin...
AN ONTOSCOPE BY BREVETTE, PARIS, CIRCA 1930 constructed in Bakelite and oxidised brass, signed as per title and numbered '11330', the stereo lense...
A DISSECTING MICROSCOPE BY E. LEITZ, WETZLAR, CIRCA 1920 the lacquered supporting columns with rack-and-pinion fine focus, oxidised brass platform...
A LEITZ COMPOUND MONOCULAR TRIPOD MICROSCOPE, CIRCA 1920 the 4in. lacquered brass tube signed Ernst Leitz Wetzlar and numbered 199804 , with rack-...
Ø A CUFF-TYPE MICROSCOPE BY G. RICHARDSON, LONDON, CIRCA 1795 constructed in lacquered brass and signed around the first stage G. Richardson, Lead...
Ø AN 18TH CENTURY ENGLISH FLEAGLASS constructed in turned ivory, the baluster handle with loophole, the head fitted with bullseye lens, contained ...
AN ENGLISH PORTABLE MONOCULAR MICROSCOPE, CIRCA 1790 constructed in lacquered brass with threaded nosepiece, folding tripod stand, concave mirror,...
A MARTIN-TYPE DRUM MICROSCOPE, CIRCA 1840 constructed in lacquered brass with 7in. main tube, concave mirror, contained within fitted box with acc...
A MONOCULAR MICROSCOPE BY NACHET, PARIS, CIRCA 1860 constructed in lacquered brass and signed on the tube support Nachet, Opticien, rue Serpente 1...
A MONOCULAR DRUM MICROSCOPE BY CHARLES CHEVALIER, PARIS, CIRCA 1835 construsted in lacquered brass, signed to the front of the telescopic main tub...
A FINE MONOCULAR MODEL K.A. II MICROSCOPE BY SEIBERT, WETZLAR, CIRCA 1891 constructed in lacquered brass and signed and inscribed on the 5in. tube...
A MONOCULAR MICROSCOPE BY C. ZEISS, JENA, CIRCA 1882 constructed in lacquered and oxidised brass, signed on the arm as per title and numbered 6047...
A MONOCULAR MICROSCOPE BY F. LEITZ, WETZLAR, CIRCA 1895 constructed in lacquered brass and signed on the horseshoe foot F. Leitz, Wetzlar, 34322, ...
A MONOCULAR MICROSCOPE BY E. HARTNACK & CO., PARIS AND POTSDAM, CIRCA 1874 constructed in lacquered brass, signed on the telescopic 4in.main tube ...
A MONOCULAR MICROSCOPE BY BOULADE, LYON, CIRCA 1875 constructed in lacquered brass and signed on the 4in. main tube as per title, magnifier, oxidi...
A MONOCULAR MICROSCOPE BY E. LEITZ, WETZLAR, CIRCA 1901 constructed in lacquered brass, signed on the foot as per title and numbered 56931 , the 4...
A MONOCULAR MICROSCOPE BY RUDOLF WINKEL, GÖTTINGEN, CIRCA 1889 signed on vertical support R. Winkel Göttingen, 1401, constructed in lacquered bras...
A MONOCULAR MICROSCOPE BY E. HARTNACK, PARIS, CIRCA 1867 signed on the 3½in. tube E. Hartnack, Place Dauphine 21, Paris, No. 7153 , brass platform...
TWO CARL ZEISS MICROSCOPE ACCESSORIES comprising a camera lucida attachment, lacquered brass, contained in fitted case with period; and reverse pr...
A RARE UNIVERSAL THEODOLITE BY PISTOR & MARTINS, BERLIN, CIRCA 1860 constructed in lacquered brass, the 8½in. main sighting telescope with rack-an...
A FINE UNIVERSAL THEODOLITE BY TROUGHTON & SIMMS LONDON, CIRCA 1900 constructed in lacquered and oxidised brass, the 9in. main tube with rack-and-...
A RARE TELESCOPIC INCLINOMETER, PROBABLY BY ZIMMER OF STUTTGART, CIRCA 1860 constructed in oxidised and lacquered brass, the 7in. square-section m...
A FINE THEODOLITE BY DENNERT & PAPE, HAMBURG, CIRCA 1894 constructed in oxidised and lacquered brass, the 11in. telescope with bubble level and ci...
A MOUNTAINEERING THEODOLITE BY JOS & JAN FRIC, PRAGUE, CIRCA 1890 constructed in lacquered and oxidised brass, the 9in. main tube with bubble leve...
A FINE MINING THEODOLITE BY JOS & JAN FRIC, PRAGUE, CIRCA 1895 constructed in oxidised and lacquered brass with vulcanised rubber adjusted thumbsc...
A LEAN-PATTERN MINER'S DIAL BY NEGRETTI & ZAMBRA, LONDON, CIRCA 1880 constructed in oxidised and lacquered brass, the 4½in. silvered dial signed a...
A FINE THEODOLITE BY TROUGHTON & SIMMS, LONDON, CIRCA 1880 constructed in oxidised and lacquered brass, the 9in. main tube with threading rack-and...
AN EXPEDITION THEODOLITE BY W. S. JONES, LONDON, CIRCA 1800 constructed in lacquered brass, the 6in. main tube with bubble level, mounted with A-f...
A FINE THEODOLITE BY HILDEBRAND & SCHRAMM, FREIBERG, CIRCA 1880 constructed in lacquered and oxidised brass, the 10in. main tube with rack-and-pin...
A FINE THEODOLITE BY TROUGHTON & SIMMS, LONDON, CIRCA 1875 constructed in oxidised brass with lacquered brass fittings, the 10in. main tube with s...
A THEODOLITE BY G. GERLACH, WARSAW, CIRCA 1900 constructed in ebonised and lacquered brass, 7¼in. main tube, bubble level mounted circular protrac...
A FINE SURVEYING LEVEL BY A. MEISSNER, BERLIN, CIRCA 1830 constructed in lacquered brass, the 8in. main tube with shade cuff, rack-and-pinion fine...
A FINE SURVEYING LEVEL BY TROUGHTON & SIMMS, LONDON, CIRCA 1870 constructed in lacquered brass, the 14in. main tube with massive bubble level, rac...
A SURVEYOR'S CROSS BY RICHER, PARIS, CIRCA 1790 constructed in lacquered brass and signed underndeath Richer à Paris , contained within shaped lea...
A SURVEYOR'S CROSS BY CALDERONI & CO., PEST, CIRCA 1870 constructed in lacquered brass with silvered scales and thumb screw for turning, contained...
A HAND-HELD SPECTROSCOPE, FRENCH, CIRCA 1890 constructed in lacquered brass in three sections and contained in fitted box of issue -- assembled le...
A LIQUID LEVEL BY GAIFFE A. NANCY, FRENCH, CIRCA 1880 constructed in lacquered brass, the 49in. three-section brass tube with opposing glass vase,...
A RARE COMPASS GALVANOMETER BY SIEMENS & HALSKE, BERLIN, CIRCA 1870 constructed in lacquered brass, the compass with 4in. silvered dial signed as ...
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