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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...

SOLD – Microscope – R & J Beck, London.

SOLD – Lacquered brass circa 1900, signed, ‘R & J Beck, London, 18879’. Focus is push / pull to the draw tube and there is a fine focus wheel. It has a double sided mirror, a bit ‘milky’ but ok, which slides up and down the brass holder. Unsure of the model but it looks very similar to the ‘Continental’ model. Contained in pine case with a  1/6″ Halden objective in canister. case lacking handle and key (height 29 cm). Post will Read More...

Antique Watson Edinburgh-G Brass Microscope with Electric Light – c1913, Cased

Watson Edinburgh-G circa 1913 serial no. 16691 with Electric Illumination This listing is for a decent example of Watson’s Edinburgh Student’s Stand-G model microscope in brass – it dates to 1913 based on its serial number 16691.  This is a generally good cosmetic example with a few signs of wear and lacquered brass-work that’s retained its condition quite well.  I hope that the listing photos do the instrument justice and showcase its visual appeal, especially with the novel electric illuminator. The Read More...

SOLD – Microscope mirror, drum microscope etc.

SOLD – This microscope mirror measures 47 mm across including the brass cell. The base is slightly convex shape. There are 2 small holes for attachment to a drum microscope but the mirror could also be adapted for use on a Cuffe, Culpeper, field microscope or similar. 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...