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A Rare Original Rene Dagron & Co. Pigeon Post Microscope Slide
lot 151 (Science, Medicine & Early Technology, 1st May, 2024)
The standard size microscope slide with a coverslip covering a section of microfilm, with paper labels to the top and bottom with manuscript that ... read more
Sold for £500 Result plus buyers premium More details 2
Large Cabinet of Microscope Slides
lot 152 (Science, Medicine & Early Technology, 1st May, 2024)
large dark stained wooden cabinet with 14 drawers each with white plastic knob and label, each drawer capable of holding 3 rows of 12 standard slides ... read more
Estimated at £200 - £300 More details 15
Large Cabinet of fine Victorian Microscope Slides
lot 153 (Science, Medicine & Early Technology, 1st May, 2024)
English, late victorian, unsigned but in the style of 'Smith & Beck (note handle design), with 25 drawers each capable of holding 30 standard slides, ... read more
Sold for £3,125 Result plus buyers premium More details 26
A Microscope Slide Specimen of Micro-writing by Webb
lot 154 (Science, Medicine & Early Technology, 1st May, 2024)
English, second half of the 19th century, the top label reads 'Specimen of DIAMOND ENGRAVING By W. Webb' with the bottom label in pen reading 'Verse ... read more
Sold for £288 Result plus buyers premium More details 2
Large Scale Prismatic Compass & Case by Stanley
lot 155 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1910, engraved on the lid, 'STANLEY LONDON 11248' the compas with fold up prismatic sight, filters with cover, in original leather case ... read more
Estimated at £80 - £120 More details 3
An 18th Century Silvered Compass By Givsani, Woolverhampton
lot 156 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1800, engraved in copper plate 'Givsani Woolverhampton' the compass with beautifully engraved compass rose with blued steel needle with ... read more
Estimated at £150 - £250 More details 2
An Ericsson No.16 Skeleton Telephone
lot 157 (Science, Medicine & Early Technology, 1st May, 2024)
telephone with vulcanite plinth engraved '16' with hand cranked generator, twin bells original fabric cables, with wooden junction box
Sold for £562 Result plus buyers premium More details 8
lot 158 (Science, Medicine & Early Technology, 1st May, 2024)
English c.1840, engraved 'James Gargory' (w 1835-1862), of unusual form with a folding arm with small sliding steel locking pin, index arm with ... read more
Sold for £688 Result plus buyers premium More details 6
A Very Fine Victorian Yacht Binnacle Compass
lot 159 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1880, unsigned, constructed of French polished mahogany with lacquered brass fittings, securing loops to the side, brass handle to the top, ... read more
Sold for £500 Result plus buyers premium More details 9
A Dent Pattern 182 Boat Compass
lot 160 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1910, engraved to the edge of the compass, 'F. DENT & Co. LONDON No.2518' and engraved with military arrow, the 4in compass card within ... read more
Sold for £688 Result plus buyers premium More details 10
A British Royal Flying Corps Pilots Compass
lot 161 (Science, Medicine & Early Technology, 1st May, 2024)
A British Royal Flying Corps Pilots Compass, engraved to the bezel 'PATT 261 No. 436 B/53', in black with leather strap, the strap oversized to fit ... read more
Sold for £175 Result plus buyers premium More details 3
A Very Early Dent Pattern 24 Improved Liquid Azimuth Compass
lot 162 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1880, engraved 'E. DENT & Co LONDON NO44281, No.26' the 6.25" card also signed DENT, in its original French polished mahogany case with ... read more
Estimated at £400 - £600 More details 7
A 9" Dry Card Lord Kelvin Compass
lot 163 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1880, the card marked 'THE LORD KELVIN COMPASS CARD' with a retail label for IVER C. WIEILBACH & Co K PRAHL & C. SOLVER, AMALIEGADE 30 ... read more
Estimated at £100 - £200 More details 4
An Unusual 24" (60cm) Boxwood Gunter Rule
lot 164 (Science, Medicine & Early Technology, 1st May, 2024)
in boxwood, 1st half 19th century, signed 'JONES LATE WELLINGTON 1 CROWN COURT SOHO London', front with navigation scales which are engraved ... read more
Sold for £238 Result plus buyers premium More details 6
Georgian Brass Pantograph By Adams
lot 165 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1790, engraved in copperplate 'Adams, London' of typical form and design, with brass weight, pens and other items, all in a French ... read more
Estimated at £200 - £300 More details 7
Early 18th Century Drawing Instrument Etui, Benjamin Scott
lot 166 (Science, Medicine & Early Technology, 1st May, 2024)
English, early 18th Century, the rule & Protractor engraved 'Ben Scott, Londini Fecit' the small wooden etui covered in black leather, withe metal ... read more
Estimated at £2,000 - £3,000 More details 3
lot 167 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1840, engraved across the vernier arm'Watkins & Hill Charring Crofs London' with silver scale, gearing around the edge both arms with ... read more
Sold for £125 Result plus buyers premium More details 2
A Good Scottish Twin Arm Protractor
lot 168 (Science, Medicine & Early Technology, 1st May, 2024)
Scottish, c.1850, engraved across the arm 'GARNER & Co GLASGOW' the 6" brass protractor with vernier scles and twin arms in fitted mahogany case ... read more
Sold for £162 Result plus buyers premium More details 3
A Cased Pantograph By Berge, Late Ramsden
lot 169 (Science, Medicine & Early Technology, 1st May, 2024)
English, c. 1790, engraved 'Berge London Late Ramsden' lacquered brass with lead weight, one arm engraved ' in original polished mahogany case, case ... read more
Estimated at £150 - £250 More details 5
Mahogany & Brass Beam Compass, by W & S Jones
lot 170 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1800, impressed to the boxwood scale 'W & S Jones, 30 Holborn London' with printed trade label to the inside of the lid, the beam compass ... read more
Estimated at £80 - £120 More details 2
lot 171 (Science, Medicine & Early Technology, 1st May, 2024)
English, late 19th Century, face marked 'WATKIN PATent, Compensated 902, J. Hicks 8, 9 & 10 Hatton Garden LONDON, brass case with suspension loop, ... read more
Sold for £250 Result plus buyers premium More details 5
Unusual Elliot Aneroid Barometer
lot 172 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1880, silvered face engraved 'Elliot Bros, Charing Cross, London' face with moveable vernier scale to read barometric pressure, with ... read more
Sold for £400 Result plus buyers premium More details 6
lot 173 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1900, unsigned, mechanism mounted on a lacquered brass plate, with a wide 2 bellows aneroid stack with linkage to the pen arm, clockwork ... read more
Sold for £500 Result plus buyers premium More details 7
Negretti & Zambra Jordan Pattern 2 Week Recording Barograph
lot 174 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1900, the base plate engraved 'THE JORDAN BAROGRAPH REG'd DESIGN NO 62874' and NEGRETTI & ZAMBRA LONDON No. 30607', the barograph mounted ... read more
Estimated at £800 - £1,200 More details 8
Pocket Aneroid Barometer, & Damp Meter/Hygrometer
lot 175 (Science, Medicine & Early Technology, 1st May, 2024)
The barometer engraved ,M Pillischer, London', with rotating bezel, scale 23-31 in original leather case, and a small pocket 'Damp Detector' in a ... read more
Estimated at £60 - £80 More details 3
Negretti & Zambra Weather Watch
lot 176 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1900, engraved to the silvered face 'Negretti & Zambra' , the weather watch pocket barometer with three concentric silvered dials, outer ... read more
Estimated at £500 - £700 More details 5
lot 177 (Science, Medicine & Early Technology, 1st May, 2024)
English, C.1900, label for 'Dixon & Hempenstall, Opticians, 12 Suffolk St Dublin , turned wooden base with terminals for low voltage to motor and ... read more
Sold for £812 Result plus buyers premium More details 3
lot 178 (Science, Medicine & Early Technology, 1st May, 2024)
German, C.1900, label to underside of base , turned wooden base with terminals for low voltage to motor and high voltage to Geissler tube, brass ... read more
Sold for £400 Result plus buyers premium More details 3
lot 179 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1880, with plaque for 'Brady & Martin Newcastle on Tyne' on tripod base with copper loop and compass dial, height 41cm, and an unusual ... read more
Estimated at £80 - £120 More details 7
A Large 18th Century Twin Cylinder Vacuum Pump
lot 180 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1800, unsigned but typical of the instruments sold by Adams, Dollond Jones ...., constructed of polished mahogany with all brass fittings, ... read more
Estimated at £100 - £200 More details 2
A Good 12" Victorian Wimshurst Machine
lot 181 (Science, Medicine & Early Technology, 1st May, 2024)
English c.1890, with plaque for 'GRIFFIN SARDINIA St, LONDON', the machine housed in the original glazed cabinet with opening doors to both the front ... read more
Estimated at £600 - £1,000 More details 1
A Pair of 10 x 50 Periscope Binoculars, By Zeiss
lot 182 (Science, Medicine & Early Technology, 1st May, 2024)
German, c.1960, engraved RWDF 10 x 50 and to the base RWMK Carl Zeiss', finished in polished aluminium, with adjustable eyepieces each with rubber ... read more
Estimated at £3,000 - £5,000 More details 8
A 4" Reflecting Telescope By Dollond, London
lot 183 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1790, engraved to the back plate 'Dollond, London', the tube with focusing to the secondary reflector by long screw held on 2 diamond ... read more
Sold for £1,625 Result plus buyers premium More details 4
A Portable 1.5" Reflecting Telescope
lot 184 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1760, unsigned, of typical construction the main tube 1.5" diameter with original primary mirror at far end, fine screw focus to secondary ... read more
Sold for £2,750 Result plus buyers premium More details 3
A 2" Portable Reflecting Telescope By James Short
lot 185 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1760, engraved to the read of the backplate 'JAMES SHORTLONDON 115/851 = 7', the telescope of typical form with a 2" body, primary mirror ... read more
Sold for £6,000 Result plus buyers premium More details 4
2 3/4" Lloyds Telegraph Station / Harbour Masters Telescope
lot 186 (Science, Medicine & Early Technology, 1st May, 2024)
English, late 19th Century, engraved on the tripod mount 'R & J Beck Ltd, 68 Cornhill, London' and on the telescope & tripod mount 'LLOYDS 12' the ... read more
Estimated at £200 - £400 More details 7
Large & Impressive 4in Astronomical Telescope By Carl Zeiss Jena
lot 187 (Science, Medicine & Early Technology, 1st May, 2024)
German, c.1925, engraved 'CARL ZEISS JENA Nr.11245' the telescope tube with side mounting luggs adjustable counterweight, long lens hood, rack and ... read more
Sold for £14,375 Result plus buyers premium More details 12
A Good Philips 4in Terrestrial Globe
lot 188 (Science, Medicine & Early Technology, 1st May, 2024)
English, c.1870 (as the globe shows the Sandwich islands and 'the dominion of Canada' indicating an age of c.1870) the globe labeled 'PHILIPS GRAPHIC ... read more
Estimated at £250 - £350 More details 7
A Large and Highly Detailed Boardroom Model of a Boiler
lot 189 (Science, Medicine & Early Technology, 1st May, 2024)
A highly detailed cut away boardroom or trade for model of a water tube boiler,base 41cm wide Note: for a similar model of a John Thompson Tube ... read more
Sold for £175 Result plus buyers premium More details 6
An Exhibition Standard Vertical Boiler
lot 190 (Science, Medicine & Early Technology, 1st May, 2024)
the boiler on square ash tray with sliding doors mounted on fully opening front, removable fire grate, copper boiler, with tubes inside, with lever ... read more
Sold for £775 Result plus buyers premium More details 9
An Early 20th Century Bipolar Electric Motor
lot 191 (Science, Medicine & Early Technology, 1st May, 2024)
German, c.1910, plaque to the top reads 'Gebr. Kaiser, A. G. Leipzig, Electromotoren, Mod. PK2 No. 5492, V110', the motor with 2 wound electromagnets ... read more
Sold for £650 Result plus buyers premium More details 5
lot 192 (Science, Medicine & Early Technology, 1st May, 2024)
German, c.1910, plaque to the top reads 'D.R.G.M' and to the side Electromotor V.220, Mod M2, No. 2847', the motor with 2 wound electromagnets ... read more
Sold for £900 Result plus buyers premium More details 5
Model Hit & Miss Open Crank Stationary Engine
lot 193 (Science, Medicine & Early Technology, 1st May, 2024)
the engine with mounted on a polished oak base, with counterweight open crank, twin drilled disk flywheels, 1 with a pully the other with a governor ... read more
Sold for £625 Result plus buyers premium More details 7
lot 194 (Science, Medicine & Early Technology, 1st May, 2024)
the engine with mounted on a polished oak base, with counterweight open crank, twin drilled disk flywheels, 1 with a pully the other with a governor ... read more
Estimated at £300 - £500 More details 5
A Large Twin Bottle Frame Steam Engine
lot 195 (Science, Medicine & Early Technology, 1st May, 2024)
twin bottle framed single cylinder stem engines, with crank couple between the 2 engines, both engines on machined cast iron bases, crank with split ... read more
Sold for £812 Result plus buyers premium More details 6
A Twin Cylinder Horizontal Mill Engine
lot 196 (Science, Medicine & Early Technology, 1st May, 2024)
Scratch built model constructed almost entirely of gunmettal, the engine mounted on gunmetal stock, single disk flywheel to the centre, each engine ... read more
Estimated at £500 - £700 More details 3
An Unusual Poppet Valve Steam Engine
lot 197 (Science, Medicine & Early Technology, 1st May, 2024)
the engine on a green painted base board, with enclosed crank case, spoked flywheels, with gear driven chain drive to a cam operating the popet ... read more
Sold for £2,375 Result plus buyers premium More details 7
Large Exhibition Standard Overtype Stationary Steam Engine
lot 198 (Science, Medicine & Early Technology, 1st May, 2024)
the engine on a large polished oak baord, smoake box with twin locking levers, with internal exhaust stem coil, boiler clad in mahogany planks with ... read more
Sold for £3,500 Result plus buyers premium More details 7
Double Expansion Compound Steam Engine
lot 199 (Science, Medicine & Early Technology, 1st May, 2024)
English, 19th Century, unmarked, the engine on a later oak base, with expanding twin cylinder engine, both with eccentric driven valve gear, ... read more
Estimated at £1,200 - £1,800 More details 6
A Historically Important Period Model of Stephenson’s 2-2-0 Planet Steam Locomotive
lot 200 (Science, Medicine & Early Technology, 1st May, 2024)
the locomotive on 4 cast iron wheels with 2 9 1/2" drive wheels and 2 6" leading wheels, mounted to bearing blocks to the underside of the wooden ... read more
Estimated at £8,000 - £12,000 More details 6