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English, c.1900, by Lomax and Hemmingway, slides showing a sections of coal and of coral, largest slide - 15.5cm x 7.7cm Provenance: These slides ...
English, c.1840 uncovered specimens of coral? each finely produced on large oversized slides, slides 8.2cm x 8.2cm.Provenance: From the original s...
English, c.1840, from the mineral collection of Robert Furguson, two uncovered slides on crude pieces of glass, one diamond engraved 'Craigleith, ...
English, c.1880, unsigned, constructed of French polished mahogany on plinth base with glazed double doors opening to reveal 12 drawers, each draw...
second edition, 4to, London, Dillion and Keating, 1789, 32 engraved plates, mostly folding, first published in 1787, but here with both the text a...
R. Dodsley, London, 1769, fifth edition, 8vo., hardcover, bound in original leather, With 14 engraved copperplates, a very fine copy, stamp for M....
English, late 19th Century, unsigned, constructed of oxidised lacquered brass, microscope stage dovetail to underside, with double geared rotation...
A Selenite Star Slide,
English, late 19th century, unsigned French polished mahogany frame contains 6 pointed selenite star in balm, a cork mounted mica specimen, a petr...
A large collection of 19th-century shop stock from the firm of Gregory Bottley & Co, Mineralogists, these bottles and vials hold samples that were...
A large collection of 19th century shop stock from the firm of Gregory Bottley & Co, Mineralogists, these bottles and vials hold samples that were...
A large collection of 19th century shop stock from the firm of Gregory Bottley & Co, Mineralogists, these bottles and vials hold samples that were...
A large collection of 19th century shop stock from the firm of Gregory Bottley & Co, Mineralogists, these bottles and vials hold samples that were...
French(?), mid 19th century, hand-blown bottle with pontil mark and cork stopper with handwritten label that states 'Petroleum auvergne, Dr. Leeso...
English, c.1900, unsigned, showing landscape in relief with geological strata marked in bands with hand written notation, showing quarry and sand ...
19th Century, unmarked, double six sided pyramid constructed of finely cut polished mahogany, crystal 8.5cm longProvenance: According to the vendo...
19th Century, unmarked, cut from various 19th century mineralogical and crystallography texts, each mounted in cornflower blue card mounts, mounts...
19th Century, unmarked, pressed glass model on mahogany plinth under glass domeProvenance: According to the vendor, this formed part of the stock ...
German, late 19th early 20th century, replica set of Historical Diamonds, the set is contained in a leather covered wooden case which contains the...
English, c.1880, signed in script Elliot Bros, London, standing on a massive 'Y' shaped base with leveling screw feet, tall column supports divide...
A Max Kohl Tone Variator,
German, c.1900, signed 'Max Kohl, Chemnitz, D. R. G. M. No.189710', constructed of lacquered brass with engraved graduated geared wheel to front, ...
A Crooks Spinthariscope,
English, dated 1903, signed on the barrel SPINTHARISCOPE W. CROOKES 1903 and to the rear W. WATSON & SONS, LONDON lacquered brass body with glass ...
A Leyden Jar Battery,
English, c.1880, signed to an ivorine plaque 'Baird & Tatlock, London & Glasgow' frame constructed of French polished mahogany, Leyden jars made o...
A Bichromate Cell,
Late 19th century, unmarked, blown mold glass with carbon and zinc electrodes, height 26cm, with a large spherical brass conductor on an insulatin...
A Small X-Ray Tube,
German, c.1910, unmarked, hand blown bulb with nickel plated electrode covers, length 27cm
A Crooks Railway Tube,
German, c.1900, unmarked, with phosphorescent painted mica vanes
French. C.1860, signed Duboscq, and engraved U.B.C.G on the body and stand, constructed of lacquered brass on a large adjustable stand, with heavy...
including a poly-prism on a stand a black glass mirror and other items
From the estate of Adolf Isenthal, an early and unusual form, possibly a prototype, of what appears to be a loose coupler from a crystal radio, co...
German, c.1910, unsigned but probably by Emil Gundelach or Müller-Uri, large hand-blown globe with large synthetic ruby sample held on glass claw,...
English, c. 1880, signed on a plaque to the base F. J. Cox, 26 Ludgate Hill, London, standing on a French polished circular base with lacquered br...
English, c.1890, unsigned, originally for spinning Geissler tubes, with four terminals, two to power the motor and the other two to supply the hig...
German, c.1898, signed to brass plaque '25Amp 100v H Aron System' French polished oak case containing the brass electro-mechanical meter, with ori...
French, c. 1880, signed in script to the lock Maison Carriere & Cie and on many of the instruments, set including trepanning instruments, cauterie...
A Medical Coil by Griggs,
c. 1875, electro-therapy device, the coil in a turned mahogany case with adjustable iron rod core, with engraved silver-plated plaque 'Grigg's Con...
Three Bulbous Green Glass Apothecary Bottles, English, early 19th Century, apothecary carboys of bulbous form in dark green glass, labels in black...
An Orrery by W & S Jones,
English, c.1800, the engraved paper laid on mahogany table, trade cartouches Designed for the New Portable Orreries by W Jones, and Made and Sold ...
A Spanish Armillary Sphere,
Spanish, late 19th/early 20th century, the central globe with cartouche TERRESTRIAL GLOBE ... J Ferear Paris, two articulated brass arms for Sun a...
Bohemia, C.1880, unsigned but marked Patent No.34409 which was taken out by Stelzig, Kittel & Co in 1882, with lithograph printed globe to white o...
French, C.1880, unmarked, with lithograph print of globe forming the oil reservoir, with coloured screen to base, globe diameter 11cm, height 53cm
European, 19th century, unsigned, constructed of turned boxwood with lines for the Tropic of Cancer marked in pen 'T C', the equator marked in pen...
English, c.1920, cartouche reads 'Philips' 14inch Terrestrial Globe, principle steamship routes with distances measured in nautical miles, princip...
A Russian Armillary Sphere,
Russian, c.1960, unsigned, constructed of aluminum and steel on cast iron stand, 58cm tall
English, c.1880, signed on the boss at the top of the stand ROSS LONDON standing on a massive brass tripod with three folding legs, with geared co...
English, c.1770, unsigned, with unusual reverse tapered body, with single drawer eyepiece, with sliding dust cover to eyepiece and objective, clos...
English, dated 1956, engraved MICRO-BAROGRAPH BY SHORT & MASON LONDON MADE IN GREAT BRITAIN No.647/41/56 with the Met office symbol 'MO', clock wo...
English, c.1875, engraved C W Dixey Optician to the Queen 3 New Bond St London, with tall rectangular silvered scale with siphon tube with open bu...
Welsh, c.1875, engraved S MARKS CARDIFF, with tall rectangular silvered scale with siphon tube with open bulb at the bottom and sealed bulb to the...
English, dated 1898, engraved W & T AVERY LTD, LONDON' and LONDON COUNTY COUNCIL SIX FEET, steel rule with inches engraved down one side with two ...
English with Chinese Labels, c.1890, unsigned, constructed of polished mahogany with brass and steel parts, adjustable scales to measure the gauge...
A Very Small Pockey Sikes Hydrometer Set, C.1890, thermometer signed Pastorelli & Rapkin Ltd, 46 Hatton Garden, weights and hydrometer gold plated...
European, 18th Century, unsigned, constructed of plate brass with two feet to the front and a curved support to the rear, steel screw supports sha...
French, C.1770, engraved Butterfield A Pairs, further engraved to the arm 'Calibres des pieces' and 'Diametre et Poids des boulets', engraved to t...
in brass, c.1750-1800, sundial with one quadrant graduated 0-90, chapter ring I-XII-XII marked for half-hour, engraved to reverse with latitudes f...
French, dated 1669, signed Pierre Seuin AParis 1669, unusual heavy gauge 4mm brass, finely engraved with typical scales of lines, chords, solids, ...
French c.1700, signed Delure AParis, finely engraved with typical scales of lines, chords, solids, metals, equal parts, polygons, planes, closed l...
Late 18th century, unsigned, wooden body of circumferentor, with engraved graduated brass scale 0-90-0, trough compass with brass back engraved, w...
A Level & Angle Indicator,
English, c.1860, Fletcher & Sinclair, Liverpool, clinometer reading to one degree, sight hole in base, in mahogany with brass fittings ...[more]
A Set of Coin Scales,
German, c.1775, by Abraham Kruse, in fitted fruitwood case with decorative latches, trade label and 15 weights for various currencies and denomina...
label for different Southern European currencies and denominations, scales and 10 weights present, inscription in ink dated 1819, scales possibly ...
Spanish, c.1900, signed to the base Bofill - Antoine Bofill, b1875-d1921, cast bronze figure on square base, with magic lantern strapped to his ba...
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