Archives

Compass / simple theodolite – Troughton & Simms.

A compass with two sighting arms, the silvered dial signed, ‘Troughton & Simms, London’, also known as a simple theodolite, the dial measuring 8.5 cm across and engraved from 0 – 90 – 0 etc, the outer elevated ring engraved from 0 -360 and reading to 1 degree. With jewelled needle and locking arm. The side of the instrument is engraved, ‘3215 B.O.’ with crows foot motif. The wooden case is similarly embossed, ‘3215 B.O.’ with a later marking  ‘C.O.B.’. The Board Read More...

An Uncommon Silver plated Weiss Invalid Feeder

An uncommon silver plated Weiss Patent invalid feeder with a sprung cover to spout. Minor dents. Read More...

Seven Double Lens Trial Set for Optician

A seven double lens trial set for an optician , the lens pairs marked numerically 6. 7. 8, 10, 12, 14, 16. Made of synthetic material, all lenses in good condition ,noting one very small age crack by a single rivet. Read More...

Price List of Astronomical & Terrestrial Object Glasses

A 1930s catalogue of lenses by Cook, Troughton and Simms. 13 pages, Illustrated. Corners a bit folded but otherwise OK. Read More...

Nine Attendance Cards for Medical Lectures

Nine attendance cards for various lecture for Richard Empson, his son, and John Bartlett. Read More...

Antique Naval telescope binoculars c1860.

Twin telescope binoculars with a leather-covered body, blackened brass draw tubes. There is a central focussing wheel, The manufacturers name and details are marked on the draw tubes, “Lennie Opticians Princes Street Edinburgh”. They appear to be in good working order, wear to the leather and the black paint in places. The Binoculars carry the lettering “JAR”, probably an owners initials. The company of James Lennie, an optician and instrument maker, was started around 1835 in South Bridge, Edinburgh but Read More...

Double nose piece for microscope – R & J Beck.

Signed, ‘R & J Beck Ltd’. Read More...

Antique microscope with oak case and accessories.

An antique brass microscope by M. Pillischer dating from 1890, there is brass plaque at rear of foot for M. Pillischer, London with the serial number 4367 allowing us to date the microscope accurately, it sits on a  Y shaped base with plano-concave mirror, rotating wheel of stops and condenser, plane stage, rack and pinion focus in original French polished light oak case  which is 26cm wide; the case has the key but it does not work the lock, Read More...

Antique specialist brass petrological microscope with case c1920.

An antique brass Watson Service Petrological Microscope c.1920, engraved to the body tube “SERVICE” PETROLOGICAL W Watson & Sons Ltd, London 31156′ the microscope on black lacquered stand, plano-concave mirror, substage polariser, rotating stage (cracked with losses) , body with slide in/out polariser, in it’s polished wooden case. Watson’s “Service” series was highly regarded for its robust build and reliability. The petrological version included accessories such as rotating stages, polarising components, and optical features suited for geology and mineralogy. The Read More...

Antique Ross microscope with case and accessories, 1887.

A Victorian brass microscope by Andrew Ross with original Case and accessories, the serial number is 6191 dating the microscope to 1887. A fine example of late 19th-century British optical engineering, this Ross “Eclipse” microscope, was produced by the prestigious firm Ross of London, known for their precision scientific instruments. This model dates from 1887 and remains in excellent condition, retaining its original lacquered brass finish, the foot engraved “Eclipse Ross London 6191”, and complete with its fitted polished case and  Read More...

19th-Century Chloroform Bottle in Boxwood Case

19th-century chloroform bottle in boxwood case. Height of case: 6.25″ or 15cm. Base of case stamped: “3 oz”. Bottle and case in very good condition. What appears to be a crack in case is part of the wood grain.  Read More...

~UNIQUE DOUBLE ARM CIRCULAR PROTRACTOR-ELLIOTT~

Another one off instrument, this time by William Elliott of 268 High Holborn, London c.1833-49. Six inch (15 cm.) diameter with near perfect lacquer, this instrument exhibits little nuances not seen on contemporary examples. The bronze center is a simple half moon (no glass with cross hairs), the swinging arms have only ONE steel spring on each side (screws are not bruised to indicate a pair), the engine divided and silver outer degree ring is so finely divided it is Read More...