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Three Full Size Plaster Engineering Didactic Models, 19th century, French, tall model of main bearing with split bush bearings, with stamp for 'HA...
Three Full Size Plaster Engineering Didactic Models, 19th century, French, detailing a large square screw thread, a large 'unified' screw thread a...
A Large Apparatus for the Electrolysis of Water, on mahogany base, with label for 'HARVEY & PEAK, London', hand blown glass jar with platinum elec...
A Fine 'Catherine Wheel' Type Geissler Tube on a turned wooden base finished in black lacquer, tube with red wax tipped end, two electrode caps, f...
An Exceptionally Fine Mineralogical Geometry Set, c.1850, French, label to lid for 'L. DUPIN Ing eur' and a secondary trade label for 'CROSTI, Ing...
A Large Electrostatic Pith Ball Demonstration Apparatus, c.1900, English signed on a plaque to base, Griffin Garrick St LONDON', constructed of ma...
A Pair of Large Leyden Jars,
A Pair of Large Leyden Jars, early 19th century, hand-blown glass jars with pontil marks to base, lined with zinc foil and painted with red lead t...
A Wooden Demonstration Magnetic Field Globe, c.1910, English, with ivorine plaque for 'Philip Harris, Birmingham', 6" mahogany laminated globe wit...
A Collection Of 11 Painted Mushroom Models, constructed of wood and plaster each with hand written label to the front and description to the unde...
A Collection Of 11 Painted Mushroom Models, constructed of wood and plaster each with hand written label to the front and description to the unde...
An Early Post Office Telegraph Line Test Galvanometer, with brass plaque to arched top for 'P.O. 70' and silvered brass plaque to front for 'LINE ...
A GPO-Style Double Current Telegraph Key, stamped to vulcanite base 'A. T. M. Co Ltd, 3632 III 1917', with key contacts below a bevelled glass win...
An Unusual Telegraph & Reel Holder, engraved to front 'Excelsior, with 5 rotating drums with embossed letters and numbers, with large spring wound...
A Collection of Three Telegraph Sounders, largest on mahogany base with five brass connectors, sounder relay behind bevelled glass window, unmarke...
A Brass Telegraph Recorder,
A Brass Telegraph Recorder, c.1900, signed to front 'GAMEWELL MANUFACTURED by STANDARD PHONES AND CABLES LTD LONDON', on substantial cast iron bas...
A Large French Brass Recording Pressure Gauge, engraved to column 'INDICATEUR de PRESSION, PAR CLAIR', standing on large turned box wood stand, wi...
An Early BBC Transmission Technical Instruction Manual, faux black leather-covered binder with brass corner protectors, stamped to spine 'TECHNICA...
An Early BBC M-E.M.I. Transmission Technical Instruction Manual, faux black leather-covered binder with metal corner protectors, stamped to the sp...
A Varian TVT Instruction Manual for BBC1 & BBC2, in grey A4 ring binder, with early Xeroxed pages over 12 chapters, with earliest parts dated Octo...
Two BBC Related Reprints,
Two BBC Related Reprints, from the 'INSTITUTE of ELECTRICAL ENGINEERS' on 'THE B.B.C. SOUND BROADCASTING SERVICE ON VERY HIGH FREQUENCIES', dated ...
A Collection of Period Magic Lantern Slides of Early Baird & Bell Television Systems, with trade label to most slides for'Fry Ltd' 110 Pratt St, L...
A BBC Engineering Division Test Card Monograph, titled 'Number 69: September 1967, A survey of the development of television test cards used in th...
A BBC Engineering Division Test Card Monograph with 26 Test Card Photographs, the booklet titled' Number 69: September 1967, A survey of the devel...
A Rotating Cylinder Calculating Machine, c.1890, English/American, embossed with 'THE YAXLEY NUMEROMETER PAT. APPLIED FOR', constructed of black p...
A Ferranti Pegasus Computer Plug-In Package Unit, English, c.1960, with an aluminium label for ‘FERRANTI 07-p-00730’, wired pre-printed electronic...
A 5.5" Surveyor's Transit Theodolite, English, c.1894, signed to silvered compass 'Elliott Bros, London', on four screw feet, with magnifiers to h...
A Large Surveyor's Level,
A Large Surveyor's Level, English, c.1890, signed 'Baker 244 High Holborn, London', finished in grey oxidise with lacquered brass fittings, on fou...
A Combination Box Sextant & Range Finder, English, c.1910, signed to dial face 'THE "OWEN" TOPOMETER' and to rear 'ROSS Ltd, 31 COCKSPUR St, S.W.,...
An ‘Instrument to Find The Time by The Sun, Moon or Any of The Visible Fixed Stars; as Well as The Names of Those Stars.’, English, c.1843, signed...
A Set of Miniature Assay / Diamond Scales, American(?), c.1880, unsigned, scales in glazed case, agate topped screws, weights and accessories in d...
An American Surveyor's Compass, American, late 18th Century, unsigned, wooden body of circumferentor, with engraved graduated brass scale 0-90-0, ...
An American Surveyor's Compass, America, late 18th Century, engraved 'C. M.' to side and dated '1790' to underside, wooden body of circumferentor,...
A 3" Refracting Hand-Held Astronomical Telescope, English, c.1820, 'moons-of Jupiter telescope', engraved on drawer 'Dollond London', with ownersh...
An Extensive Set of Silver Drawing Instruments by William Elliott, English, c.1840, 21 compasses and other instruments in sterling silver, includi...
A Fine 18th Century Surveying Plane Table & Compass by Henry Gregory, English, c.1765, mahogany plane table, with folding boxwood protractor rule ...
An Early Brass & Iron Drawing Pen, English or Italian, 16th or 17th century, brass handle of octagonal section, wing nut a later replacement, leng...
A Brass & Ebony Foot Measure, possibly French, 19th century, graduated and numbered on three sides, length 30cm closed ...[more]
A Complex Adjustable Boxwood & Brass Saddle Maker’s Design Frame, English, late 19th century, by E P Preston & Sons, from a design by C B Bean of...
A Boxwood Nautical Slide Rule by Stanley, London, with scales for displacement in tons, speed in knots, indicated horse power etc., length 35.8cm
A Boxwood Slide Rule, Nautical Land & Sea Speed Reckoner, designed by Captain W N Mclean, dated July 30th 1919, made by C T Cooper & Sons, London,...
A Boxwood Customs Rule,
A Boxwood Customs Rule, by Tustian, 18 Princes Square, with owner's name stamped ‘W S Powell, Customs, Chichester’
A Large Case of Drawing Instruments by Harling, including three-legged dividers, large proportional dividers, plotting compass, scale rules and dr...
A New Improved Pocket Chondrometer by De Grave Short & Fanner, lacquered brass, in fitted mahogany case with pasted instructions - made according...
An Ebony Pantograph by Secretan,
An Ebony Pantograph by Secretan, French, early 19th century, complete with accessories in walnut case with trade label
A Brass Pantograph by Adams,
A Brass Pantograph by Adams, English, c.1800, signed ‘Adams, London’, with ivory wheels, in fitted mahogany case
English, Circa 1879, signed along the handle ‘WORTHINGTONS’ PATENT GRAPHARC No.00000’, and with a trade label in the lid of the case for ‘T. COOKE...
A ‘New Pantograph’,
English, Circa 1860, engraved by the maker ‘Invented & Made by W & A Smith’ and by the retailer ‘Sold By Abraham, Lord St, Liverpool’, two brass a...
Dunn’s Improved Pantograph,
Dunn’s Improved PantographScottish, dated 27th February 1845, signed on the instrument ‘T. DUNN EDIN’R’, and ‘T DUNN 402’ with a trade label for T...
An Artificial Horizon,
An Artificial Horizon, English, c.1860, signed ‘Cary, London’, mahogany case with hand-cut dovetails, later retailed by H Hughes & Son, complete, ...
A Pocket Set of Drawing Instruments by George Adams, English, 2nd half 18th century, brass instruments in ray-skin case with silver fittings, prot...
A Camera Lucida,
A Camera Lucida, English, 19th century, in lacquered brass, in velvet-lined mahogany case, with period detailed illustrated instruction leaflet
An Electromedical Shock Machine by Weiss, English, c.1890, signed 'Weiss & Son, 62 Strand London', French polished mahogany case with recessed bra...
A Large French Medical Coil,
A Large French Medical Coil, the Appareil Electro-Medical by Breton Freres, 43 Rue Dauphine Paris, plaque illustrating medals awarded in the 1855 ...
A Large Electro-Medical Coil,
A Large Electro-Medical Coil, English, c.1850, signed 'Horne & Thornthwaite, Newgate St London', in mahogany case with pasted instructions, coil...
Pulvermacher's Medical Hydro-Electric Chains, awarded medals in the 1855 Paris Exhibition, complete in case with paddles and handles, apparently u...
A Miniature Electro-Medical Device, English, c.1880, by Bourne, Johnson & Latimer, in mahogany case with boxwood stringing, with improved magneti...
A Miniature Electro-Medical Device, with illustrated label to lid, c.1880, mahogany case with boxwood stringing, 14cm across
A Human Half Skeleton,
A Human Half Skeleton, with complete skull, articulated jaw and separated craniumProvenance: Property of a UK surgeon, purchased by him in 1986 w...
An Early Elecro-Medical Coil,
An Early Elecro-Medical Coil, English, c.1850, by Slater & Oakes of Derby, in lacquered brass and turned mahogany on mahogany base ...[more]
An Early Elecro-Medical Coil,
An Early Elecro-Medical Coil, English, c.1860, by Mr W H Halse, Professor of Medical Galvanism, in lacquered brass and mahogany with large volta...
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