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A Good Swift "Dick" Petrological Microscope
lot 201 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1895, signed to foot ‘J Swift & Son, London’, standing on cast brass foot finished in black lacquer, trunnions at top support body, ... read more
Sold for £3,250 Result including buyers premium More details 7
A Leitz Intergating Microscope Stage
lot 202 (Photographs, Optical Toys & Science, 12th May, 2026)
German, c.1920, the stage engraved 'E. LEITZ WETZLAR 548 D.R.P. Ausl. Pat.' constructed of Nickle plated brass, with X-Y micrometer control, 6 ... read more
Estimated at £300 - £500 More details 3
lot 203 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1880, unsigned, brass ring base glass oil lamp, blue glass, ceramic shade in polished pine case, case 25.5cm tall
Sold for £162 Result including buyers premium More details 4
Swift & Son, Microscope Oil Lamp
lot 204 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1880, the base embossed 'SWIFT & SON, LONDON W.C.', the lamp on a circular lacquered brass base, support column holding lamp body, with ... read more
Sold for £300 Result including buyers premium More details 7
Very Fine Microscope Oil Lamp, James Swift
lot 205 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1880, the unusual brown ceramic shade marked for 'JAMES SWIFT 43 University St, LONDON W.C.' the lamp on a heavy turned circular brass ... read more
Sold for £438 Result including buyers premium More details 6
Large 19th Century Microscope Slide Cabinet
lot 206 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1880, unmarked, the cabinet constructed of French polished mahogany, on plinth base, glazed doors with lock and key, with 47 drawer to ... read more
Sold for £238 Result including buyers premium More details 5
Collection of Microphotograph Microscope Slides
lot 207 (Photographs, Optical Toys & Science, 12th May, 2026)
French polished Mahogany case stamped 'R & J Beck, London' containing a collection of 72 microsphotographs by makers including J. B. Dancer, A.R and ... read more
Sold for £650 Result including buyers premium More details 11
Geological Microscope Slide Collection
lot 208 (Photographs, Optical Toys & Science, 12th May, 2026)
pine flip front case containing a collection of (78) mainly geological microscope slides including slides by Flatters & Garnett
Sold for £525 Result including buyers premium More details 14
Mixed Collection of Microscope Slides
lot 209 (Photographs, Optical Toys & Science, 12th May, 2026)
Pine case containing (141) slides by various makers including Fred Enoch, Edmund Wheeler, Baker and others, covering a wide subject area
Sold for £2,625 Result including buyers premium More details 24
Mixed Collection of Microscope Slides including Microphotographs
lot 210 (Photographs, Optical Toys & Science, 12th May, 2026)
pine case containing a mix of slides including microphotographs by J. B. Dancer, and others and a collection of Chemical slides by J. B. Dancer
Sold for £812 Result including buyers premium More details 14
lot 211 (Photographs, Optical Toys & Science, 12th May, 2026)
small French polished oak cabinet of microscope slides arranged in 4 drawers behind double doors, slides by various makers including Watson & Sons, ... read more
Sold for £1,000 Result including buyers premium More details 8
Microscope Microphotograph Collection
lot 212 (Photographs, Optical Toys & Science, 12th May, 2026)
Pine flip front case containing a collection of 72 microphotographs, with slides by J. B. Dancer, including No.1 Sturgeons Tablet, No.120 a Portrait ... read more
Sold for £1,250 Result including buyers premium More details 16
lot 213 (Photographs, Optical Toys & Science, 12th May, 2026)
2 Pine Flip Front Cases, containing a collection of 127 microscope slides, by preparers including Darlston, ColeSmith Beck & Beck, Watson & Sons, ... read more
Sold for £900 Result including buyers premium More details 8
Collection of Diatom Microscope Slides
lot 214 (Photographs, Optical Toys & Science, 12th May, 2026)
Large French Polished mahogany flip front case containing a good selection of 135 microscope slides of Diatoms, Radiolaria, and polycystine, the ... read more
Sold for £1,125 Result including buyers premium More details 13
Collection of Geological Petological Microscope Slides
lot 215 (Photographs, Optical Toys & Science, 12th May, 2026)
French polished mahogany flip front case containing 10 of 12 trays of 60 rock sections by makers including Watson & Sons, Wheeler, Clarke & Page, ... read more
Sold for £1,750 Result including buyers premium More details 4
Microscope Slides, Mount Vesuvius Eruption, 1906
lot 216 (Photographs, Optical Toys & Science, 12th May, 2026)
Group of 5 microscope slides of volcanic dust from the Mount Vesuvius Eruption in 1906 captured over 6 days and recorded on the manuscript lables as: ... read more
Sold for £125 Result including buyers premium More details 3
Microscope Slides, Soundings, H.M.S. Challenger
lot 217 (Photographs, Optical Toys & Science, 12th May, 2026)
Collection of 6 Microscope Sounding slides, including 3 slides with lables for NORMAN, with labels for location of sounding, another sounding slide ... read more
Sold for £475 Result including buyers premium More details 3
Victorian Microscope Cabinet & Slide Collection
lot 218 (Photographs, Optical Toys & Science, 12th May, 2026)
(I) The Cabinet - English, c.1860, unsigned but very much in the style of Beck, constructed of French polished mahogany with a carry handle on the ... read more
Sold for £750 Result including buyers premium More details 25
Victorian Microscope Cabinet & Slide Collection
lot 219 (Photographs, Optical Toys & Science, 12th May, 2026)
(I) The Cabinet - English, c.18890, stamped to the inside of the door 'R & J BECK LONDON' , constructed of French polished mahogany with a carry ... read more
Sold for £2,000 Result including buyers premium More details 24
Collection of 72 Geological Microscope Slides
lot 220 (Photographs, Optical Toys & Science, 12th May, 2026)
Pine flip front case containing a collection of 72 mineral and geological sample microscope slides by makers including Norman, Watson and others
Sold for £1,188 Result including buyers premium More details 14
A Fine Collection of Clarke & Page Microscope Slides
lot 221 (Photographs, Optical Toys & Science, 12th May, 2026)
2 flip front cases containing a collection of microscope slides by Clarke & Page, subjects include Petrology, Botany, Chemical Crystals, Entomology, ... read more
Sold for £3,625 Result including buyers premium More details 7
A Collection of Exceptionally Large Fossil Fish Microscope Slides
lot 222 (Photographs, Optical Toys & Science, 12th May, 2026)
2 slides with labels for 'James Lomax Petrologist' both with manuscript labels for 'Stigmaria' and 'head of fossil fish showing teeth, upper & lower' ... read more
Sold for £525 Result including buyers premium More details 9
A Most Impressive Microscope Exhibition Slide of a Vase of Flowers
lot 223 (Photographs, Optical Toys & Science, 12th May, 2026)
English, C.1890, Harold Dalton, London & Paris, showing a bouquet of flowers with in a vase with insects, label reads ‘Butterfly scales arranged as ... read more
Sold for £2,750 Result including buyers premium More details 4
A Microscope Exhibition Slide of a Plant Butterfly & Birds
lot 224 (Photographs, Optical Toys & Science, 12th May, 2026)
English, C.1890, by Harold Dalton, showing a green leafed plant with a bird and a butterfly in flight, in a leather-covered velvet & lined case
Sold for £2,125 Result including buyers premium More details 4
Collection of Victorian Microscope Slides in a cabinet
lot 225 (Photographs, Optical Toys & Science, 12th May, 2026)
the cabinet, English, c.1860, unmarked, constructed of French polished mahogany with 20 slide drawers each lined with blue velvet and to hold 2 rows ... read more
Sold for £1,875 Result including buyers premium More details 6
Russian Kirov Battle Cruiser Chronometer
lot 226 (Photographs, Optical Toys & Science, 12th May, 2026)
A Russian "Kirova" Two -Day marine chronometer, serial number. 3413 with brass label for ' by the Order of Lenin, 1st Moscow Watch Company' ... read more
Sold for £338 Result including buyers premium More details 5
lot 227 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1860, unsigned, brass case with suspension loop, hinged bezel with domed glass, compass with silvered scale, sundial to centre with fold ... read more
Sold for £438 Result including buyers premium More details 6
Cary, London, Compass Rectifier
lot 228 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1880, engraved 'Cary London' to the front scale and the same to the brass body, also engraved 'Royal Geographical Society', the instrument ... read more
Sold for £1,100 Result including buyers premium More details 5
lot 229 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1860, the silvered face engraved 'J. B. Dancer MANCHESTER', the compass constructed of French polished mahogany with lacquered brass fold ... read more
Sold for £300 Result including buyers premium More details 4
R. Huntley, Small Surveyors Compass
lot 230 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1840, the silvered compass rose engraved 'R Huntley, High Holborn, London' constructed of lacquered brass, with slide on sights, tripod ... read more
Sold for £212 Result including buyers premium More details 6
lot 231 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1800, the compass rose engraved 'W & S Jones, LONDON', constructed of brass with fold up sights, tripod mount, in pine case, case 25cm
Sold for £275 Result including buyers premium More details 4
lot 232 (Photographs, Optical Toys & Science, 12th May, 2026)
both by 'Davis & Son, Derby' with one in a leather case and the other in a wooden case
Sold for £212 Result including buyers premium More details 3
Collection of 3 Cased Clinometers
lot 233 (Photographs, Optical Toys & Science, 12th May, 2026)
including an example stamped 'Holtzapffel & Co. 64 Charring Cross, London', constructed of boxwood with brass parts, small compass in fitted French ... read more
Sold for £338 Result including buyers premium More details 6
lot 234 (Photographs, Optical Toys & Science, 12th May, 2026)
including examples by Newton & Co, London, T Armstrong Bros, Manchester, Townson & Mercer, London, an unusual version with geared adjustment by ... read more
Sold for £500 Result including buyers premium More details 11
lot 235 (Photographs, Optical Toys & Science, 12th May, 2026)
including a largeexample engraved 'F Barker & Son, Manufacturers' and 'Inventer & Patentee George Francis C. E. Chester', constructed of boxwood and ... read more
Sold for £500 Result including buyers premium More details 10
Wood Late Abraham, Surveyors Compass
lot 236 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1850, brass surveyors compass, with tripod mount to base with compass type joint, lacquered brass housing to compass with card compass ... read more
Sold for £162 Result including buyers premium More details 4
G. Davis, Leeds, Surveyors Compass
lot 237 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1850, the silvered compass engraved 'G. Davis, Leeds', mahogany body with fold up lacquered brass sights, with brass tripod mount, 16.5cm ... read more
Sold for £275 Result including buyers premium More details 5
Spencer Browning Rust, Lattice Frame Sextant
lot 238 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1820, engraved at the bottom of the scale 'Spencer Browning & Rust, London', sextant with platinum scale, vernier to end of arm with ... read more
Sold for £500 Result including buyers premium More details 4
A Rare Late 17th-Century English Fruitwood Set of Napier's Cylindrical Bones
lot 239 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c. late 17th-Century, unsigned, fruitwood box with hinged lid, enclosing a complete set of Napier’s calculating rods in cylindrical form, ... read more
Sold for £28,750 Result including buyers premium More details 5
lot 240 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1690, unsigned, fruit wood case held together with wooden dowels, with 5 groups of boxwood multiplier rods and boxwood tabulat with single ... read more
Sold for £3,625 Result including buyers premium More details 4
Thomas de Colmar, Arithmomètre, c. 1870
lot 241 (Photographs, Optical Toys & Science, 12th May, 2026)
French, c.1870, engraved "Thomas de Colmar, à Paris, Inventeur", and numbered 699, the mechanism with eight input sliders each numbered 0-9, a ... read more
Sold for £2,250 Result including buyers premium More details 5
Thomas de Colmar, Arithmomètre, c. 1870
lot 242 (Photographs, Optical Toys & Science, 12th May, 2026)
French, c.1870, engraved "Thomas de Colmar, à Paris, Inventeur", and numbered 587, the mechanism with eight input sliders each numbered 0-9, a ... read more
Sold for £3,250 Result including buyers premium More details 5
Odhner, Willgodt Theophil, Arithmometer
lot 243 (Photographs, Optical Toys & Science, 12th May, 2026)
Russian, c.1890, stamped to the top plate ''ARITHMOMETER, Patent W.T.ODHNER' and numbered 334 with Cyrillic labeling, the calculator with nine input ... read more
Sold for £4,375 Result including buyers premium More details 6
Thomas de Colmar Arithmometer, Mechanical Calculator
lot 244 (Photographs, Optical Toys & Science, 12th May, 2026)
French, c.1900, the top plate engraved 'THOMAS de Colmar A Paris Inventeru No. 1334, this is the small model Thomas de Colmar’s calculating machine, ... read more
Sold for £1,375 Result including buyers premium More details 5
A C&E Layton's Improved Arithmometer
lot 245 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1910, engraved to the front 'LEYTONS IMPROVED ARITMOMETER LONDON PATENET', with 9 imputs, a 9-digit revolution counter, and a 16-digit ... read more
Sold for £938 Result including buyers premium More details 4
Collection of 3 Bri-Cal Adding Machines
lot 246 (Photographs, Optical Toys & Science, 12th May, 2026)
including a large 23cm diameter calculator, a 19cm diameter calculator, and a 13.5cm British calculator model B all in original cases
Sold for £362 Result including buyers premium More details 9
Thomas Dunn, Circular TIme Table
lot 247 (Photographs, Optical Toys & Science, 12th May, 2026)
English, dated 1818, inscribed 'Thomas Dunn, accountant, Bank of Scotland..... computed decimally, 1st Dec 1818, Entered at station hall', the ... read more
Sold for £106 Result including buyers premium More details 7
5" Halden Calculex Circular Slide Rules
lot 248 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1900, the calculator inscribed 'PATENT CIRCULAR SLIDE RULE, HALDEN CALCULEX', double-sided in fitted leather covered case with original ... read more
Sold for £300 Result including buyers premium More details 6
W. Waddington, Lords Calculator
lot 249 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1900, the face marked ''LORDS CALCULATOR, W. WADDINGTON COVENTRY' with fitted magnifier in leatherette covered velvet lined case, 16.5cm ... read more
Sold for £375 Result including buyers premium More details 7
W. Wilson, Lords Patent Double Sided Calculator
lot 250 (Photographs, Optical Toys & Science, 12th May, 2026)
English, c.1900, the face marked 'LORDS PATENT, W WILSON, LONDON', the calculator with scales to both sides, 3 control knobs, and suspension ring, ... read more
Sold for £250 Result including buyers premium More details 4