Filtered by:
- Show only bulk lots,
- Sale Section
- List
- Grid
A subscription to the Price Guide is required to view results for auctions ten days or older. Click here for more information
A Pyrometer by Watkins and Hill,
A Pyrometer by Watkins and Hill, circa 1840, brass, with silvered scale and indicator arm with vernier scale, engraved 'Watkins and Hill Charing C...
A Student Model Spectroscope,
A Student Model Spectroscope, by John Browning, single prism model with lacquered brass telescope and collimator, enameled iron base, scale readin...
Large Double Prism Spectroscope,
Large Double Prism Spectroscope, by John Browning, double prism model with two lacquered brass telescopes (original collimator absent), lacquered ...
A Five Prism Direct Vision Spectroscope, by John Browning, lacquer brass in three sections, with second eye piece, signed 'John Browning, 63 Stran...
Grace's Spectroscope,
Grace's Spectroscope, by John Browning, lacquered brass, signed 'Grace's Spectroscope, John Browning, 63 Strand, London.'
McClean's Star Spectroscope,
McClean's Star Spectroscope, by John Browning, lacquered brass, with RAS thread signed 'John Browning London.', with draw tube engraved 'McClean's...
A Browning Microspectroscope,
A Browning Microscope Microspectroscope, lacquered brass, signed 'John Browning, London.', eyepiece diameter 31.5mm
A Browning Direct Vision Spectroscope, lacquered brass, signed 'John Browning, London.', in domed leather case
A Browning Direct Vision Spectroscope, lacquered brass, signed 'John Browning, London.', in leather covered case
Two Browning Direct Vision Spectroscopes, both lacquered brass, one signed 'John Browning, London.', uncased, with the other signed 'John Browning...
Thorp's Direct Vision Diffraction Reading Spectroscope, by R and J Beck, lacquered brass, signed 'Thorp's D. V. Diffraction Reading Spectroscope, ...
A Beck Direct Vision Spectroscope, lacquered brass, signed 'D. V. Spectroscope PAT. APP. For. R & J Beck Ltd, London.', in fitted case
A Hilger Direct Vision Spectroscope, lacquered brass, signed 'A Hilger, London.',in fitted case
A Hilger Direct Vision Spectroscope, lacquered brass, signed 'A Hilger, 192 Tottenham Court Road, London.', in domed leather covered case
A Hilger Direct Vision Spectroscope, on alt-azimuth stand, lacquered brass, signed 'A Hilger, London.', in fitted wooden case
A Large & Important Biot's Polariscope By Lerebours a Paris, standing on a large (9 inches diameter) base, with a tall column supporting body of i...
A Fountain in Vacuo,
A Fountain in Vacuo, physics demonstration apparatus, in glass and lacquered brass, 19th century, 680mm high
A Large Philips X-Ray Tube,
A Large Philips X-Ray Tube, tube acid etched 'Philips X-Rays Ltd W.C.1' and mounted on a wooden stand, with ceramic insulators , tube 52cm
A Large Induction Coil,
A Large Induction Coil, by Apps, coil covered in blue velvet, supported on ebonite uprights, mahogany base with switch and terminals, label readin...
A Galvanometer,
A Galvanometer, by Siemens Bros. & Co., glazed lacquered brass frame mounted on mahogany base, with three leveling screws, scale divided to one de...
A Large Cold Cathode X-Ray Tube,
A Large Cold Cathode X-Ray Tube, heavy anode gas discharge tube, bearing label 'Very Good Tube', on wooden display stand, tube 57cm
A Large George Adams Senior Static Barrel Machine, hand blown glass barrel mounted on 2 mahogany uprights, turned by a mahogany crank handle, with...
A Large Static Barrel Machine,
A Large Static Barrel Machine, hand blown glass barrel mounted on 2 mahogany uprights, turned by a mahogany crank on a wheel connected via a band ...
A Bohnberger's Sphere (Gyroscope), brass, the ball with string roller to one pivot, 165mm high, mid 19th century
A Twin or Double Gyroscope,
A Twin or Double Gyroscope, by Newton & Co, rare fully adjustable demonstration gyroscope in lacquered brass and ebonised brass, signed 'Newton & ...
A Molecular Model of Crystal Structure, by Crystal Structures Ltd, components in plastic coated wire, with plastic atoms in four colours, with lab...
Loading...