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Antique W. Watson & Sons Ltd – Edinburgh-H Brass Microscope – circa 1912, Cased

Offered for sale – Watson Edinburgh-H c1912 serial no. 15103 – antique stand “H” that’s a stunningly good find. This listing is for a beautifully presented and also quite early example of Watson’s Edinburgh Student’s Stand-H model microscope in brass – it dates to 1912 based on its serial number 15103, with confirmation of the exact date of sale as 30th April 1912 on the guarantee/magnification card that’s on the inside of the case door.  It’s marked W. Watson & Sons Read More...

SCALEOMETER

With interchangeable measuring glasses 1/10 mm and 1/100mm nickel plated brass Hand written instruction  Read More...

The Multiplication Table in Rhyme

A charming but quite incomplete ‘Multiplication Table in Rhyme’ by John Betts 115 Strand London. Consisting of 23 matched pairs of questions and answers, and 11 questions without answers, and 33 answers without questions. All contained in a charming original wood box. Read More...

Henry Hughes & Son ‘The Paget’ Angle Sextant with case.

A Paget Angle Sextant, by H. Hughes & Son, London in mahogany case.   The threaded wooden handle and sextant are held in a fitted mahogany wood box that is approximately 15 x18 cm.   The paget angle sextant, originally designed in 1892, is a very simple sextant meant for land survey use. It has two mirrors and a dial. The pointer on the dial is connected through a set of gears to the index mirror. By moving the pointer, the angle is Read More...

18TH CENTURY NON-ACHROMATIC TELESCOPE SIGNED J. DOLLOND & SON LONDON

Very rare early decagonal telescope.  The erector tube consists of 5 sectors with 5 lenses. Extremely rare signature “J. Dollond & Son”.  Telescope is dated around 1755, very early, when John Dollond was still in life.  He patented the achromatic objective lens in 1758.  When it is open it gives a good image. 51cm closed 77cm open     For further informations and photos don’t hesitate to send me an email.  Read More...

Triple Dividers, Gilt Metal Pocket Telescope/monocular/spyglass, Unsigned Calculigraphe type Circular Slide Rule

Large pair of Triple Dividers,nickel, seven inches long=£240 Gilt metal folding telescope/spyglass/monocular,adjustable focus, condition good=£250 Larger than normal, circular slide rule/calculator, Calculigraphe type, one sided, three inches diameter=£200 Read More...

Rare Pair of Victorian “PERFECTION” Reading Shades

Rare Pair of Victorian “PERFECTION” Reading Shades. Length of box: 5″ or 13cm. Shades appear to be  celluloid.  The label on the side of the box is that of the retailer. Read More...

Xylonite magnifying glass

Glass diameter 9.3 cm,  10.2 cm including the cell. Total length 21.5 cm. With brass mount. Read More...

SOLD – Four draw nickel silver telescope.

SOLD – A nickel silver 4 draw telescope, unsigned but no doubt from the Andrew Ross workshop as I have an identical one. It measures 7.75 inches when closed and 28.5 inches fully open. No dents or cracks.  Damage free lenses. It gives an excellent clear view. Circa 1845. Read More...

EXCELLENT 5 INCH TRANSIT THEODOLITE WITH TRIG POINT TRIPOD BY TROUGHTON & SIMMS

THIS INSTRUMENT IS IN WONDERFUL CONDITION GIVING GOOD IMAGES WITH CROSS HAIRS INTACT, ON FOUR SCREW MOUNT. WEIGHS NEARLY 12 KILOS. TRIG POINT NOT INCLUDED. TRIG POINT: TRETHINGEY. SOUTH WEST CORNWALL. SHIPPING BY FEDEX, DHL, UPS, ETC. FULLY TRACKED.    Contact Email:  [email protected] Read More...

BRASS FRAMED TRANSITIONAL ENGLISH OCTANT

SHIPPING BY FEDEX, DHL, UPS, ETC. FULLY TRACKED.  Contact Email:  [email protected] IVORY EXEMPTION NUMBER  TQ6TV8YP Read More...

Large Equinoctial Compass Sundial – Worthington & Allan.

The chapter ring measures 5″ (12.5 cm) across, the latitude bar reads from 0 – 60, the silvered compass dial reads from 0 – 90 – 0 etc and the outer ring engraved from 0 – 360 and reading to one degree.  Case measurements 7″ x 7″. Superb condition and top quality. Worthington & Allan worked from 1821 – 1834 (successor to Mathew Berge). Read More...