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Universal compass sundial – Springer, Bristol.

Mahogany cased  4″ x 4″ ( 10 x 10 cm ), the chapter ring and dial both signed, ‘J. Springer, Bristol’, with silvered chapter ring and latitude bar. The needle locks in place when the lid is closed. One of the bubble levels is dry. Small piece of wood missing from the front of the case. Joshua Springer worked from 1759 – 1809. Read More...

A SILBERRAD POCKET GLOBE 1815

A signed: “SILBERRAD 34 ALDGATE LONDON 1815” pocket globe. A 2 ¾” (7cm) terrestrial pocket globe made up of twelve hand-coloured engraved gores, the equator graduated in hours twice and degrees, the ecliptic graduated in days with symbols for the houses of the Zodiac, the Meridian of London graduated in degrees, the oceans showing trade winds and Cook’s Track, the continents delicately coloured in green, pink and yellow, no North Canadian coastline, China with Great Wall, South Africa labelled Country Read More...

Three draw brass telescope – Rowley, Brighton.

A three draw brass telescope with a leather covered barrel, signed on the first draw, ‘Rowley, 128, St James St., Brighton’. It measures 8″ long when closed and pulls out to 23.75″. It gives good, clear images when viewed through with damage free lenses. Thomas Rowley is recorded working from St James Street from 1839 – 45. Read More...

Large telescope and tripod – Armstrong, Manchester.

A large brass telescope on a collapsable tripod which has variable height fixings. Signed on the back collar, ‘Armstrong, Manchester’. The company worked from the mis 19th century until taken over in 1968 by Dollond & Aitchison. Thomas Armstrong was the main optician to the Royal Eye Hospital in Manchester. The main lens has a diameter of 3 inches giving a sharp image with a magnification of 44 x. The length to focus is 53″ (134 cm).  In very good condition throughout Read More...

Antique Sextant, cased.

An Edwardian sextant by Heath & Co Limited, London – the sextant is numbered 6869 and features silvered division indicators and comes equipped with a variety of shades, mirrors, and lenses, all housed in the fitted case with key. The case includes a locking mechanism and bears a Certificate of Examination from the National Physical Laboratory, Kew Observatory, dated April 1906. The lacquered instrument is fitted with a rosewood handle. Inside the case are additional lenses. Both the sextant Read More...

Antique W. Watson & Sons Ltd – Edinburgh-H Brass Microscope – circa 1914, Cased

Watson Edinburgh-H c1914 serial no. 17592 – antique stand “H” model. Offered fro sale is a nicely presented and well seasoned example of Watson’s Edinburgh Student’s Stand-H model microscope in brass – it dates to 1914 based on its serial number 17592.  It’s marked W. Watson & Sons Ltd and post-dates the firm’s move to limited company status which occurred in 1908.  This is a decent example with some signs of wear such as the stage surface and still quite Read More...

Vintage W. Watson & Sons Ltd – Bactil Monocular Brass Microscope – c1934, Cased

Watson Bactil Monocular – circa 1934 in Lacquered Brass Finish Offered for sale is a superbly engineered vintage original Bactil model microscope by W. Watson & Sons Limited of London.  It dates to 1934 based on the sequential Watson production number of 53377, which is engraved onto the main optical tube.   This inter-war example is in all-original condition as far as I can tell and has clearly been really well looked after by its former custodians. This Bactil also benefits from Read More...

Antique W. Stanley of London – Monocular Brass Bar-limb Microscope c1880, Cased

Offered for sale is a good example of an antique monocular brass microscope by London makers W. Stanley with the instrument serial number 1883 likely to dating it to around the 1880 period.  The condition is generally good, with only a few minor age and use appropriate signs of wear to the finish on the instrument and just the right time worn look to its lacquered finish and brass-work.  Being a compact instrument it’s also a good proposition for Read More...

Antique Optician’s trial lens set.

A cased optician’s trial lens set with spherical, cylindrical, and prism lenses housed in an oak case with padded inside lid and dating from the early 20th century. The case is in very good original condition and includes 76 lenses in total, each marked by type and lens strength both on the handle to the lens and on the adjacent ivorine labels.   The case measures 26 x 25 x 6cm. Read More...

FINE HADLEY’S QUADRANT BY RICHARD ROWLAND. BRISTOL

SCALE DIVIDED IN 20 MINUTE DIVISIONS, VERNIER READING TO 1 MINUTE OF ARC. MAIN SCALE MINUS 1 DEGREE TO 97 DEGREES. INDEX ARM 17″ INCHES, COLOURED FILTERS 2 RED 1 GREEN, RICHARD ROWLAND WAS AT THE QUAY, BRISTOL 1792-1811 SHIPPING BY FEDEX, UPS, PARCEL FORCE, ETC. FULLY TRACKED.  Contact Email:  [email protected] IVORY EXEMPTION NUMBER DYACF626 Read More...

EARLY MAHOGANY QUADRANT

SHIPPING BY FEDEX, UPS, PARCEL FORCE, ETC. FULLY TRACKED.  Contact Email:  [email protected] IVORY EXEMPTION NUMBER  49DYJLHR Read More...

Gunner’s caliper by Watkins. Late 18th c.

A six inch gunner’s caliper with finely engraved with scales for ‘Quantity of Powder for Filling the Chambers of Brass Mortars & Howitzers’ and marked out in inches for ‘Sea’ and ‘Land’ on one side, and for ‘Brass Guns’ over ‘Proof Service’ and ‘Iron Guns’ over ‘Proof Service’ on the other, hinged from ‘0’ to ‘180’ degrees and from ‘0’ to 8 Inches’, one side with 12 ‘Inches’ rule, and with steel tips, 30.5 cm (extended). Read More...