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4″ brass ring dial

an 18th century 4″ brass ring dial  Read More...

Adams Culpepper microscope

A late 18th century brass Culpepper microscope by Adams, London, in the original mahogany case with a good set of accessories  Read More...

Slide Rule for calculating X-Ray Exposures

An unusual slide rule for calculating X ray exposures, by Schall and Son, London. Celluloid on wood backing and in good condition. £150 An illustrated catalogue of Electro-Medical Instruments and their Management, with an Illustrated price list of electro-medical Apparatus, Sixteenth edition , December 1914. £70 Read More...

SOLD – Antique Watson Mint Metallurgical Research Microscope & Accessories c1917, Cased

Rare grail instrument by Watson – a Metallurgical Van Heurck variant – produced during WWI and known as the Mint Metallurgical model.  It’s supplied with a Watson power supply and desk-top lamp, giving everything needed to hit the ground running with is instrument, so you’ll be up and working in no time.  It may be a specialist variant but it’s still got that grandeur and cachet associated with the prestige Watson Van Heurck models – and the same impressive Read More...

Three draw telescope and case – Cummins, 148 Leadenhall St, London.

This telescope measures 76.5 cm when fully open and 25 cm when closed and has a main lens of 4 cm. The eye-piece has a dust slider and the telescope is signed, ‘Cummins, 148 Leadenhall St, London’.’. There is a small patch of veneer loss to the mahogany barrel, otherwise it is free of damage and gives excellent views. Charles Cummins worked from the above address from 1846 – 1851. Circa 1847. Read More...

EARLY VICTORIAN NIGHT GLASS BY STEBBING

SHIPPING BY FEDEX, DHL, PARCEL FORCE ETC.  Contact Email:  michaelread060@gmail.com Read More...

4 x U.K. trading standards small weights & measure.

1. London Borough of Greenwich Working Standard Weights: 1000 to 0.01 gr. Maker; Avery De Grave. 2. Bedfordshire County Council: 100 to 01 grains. 3. Borough of Bedford: 100 grains to 0.1 gr. Maker; W & T Avery Ltd. 4. County of Surrey: 100g. to .01 gr.      All with tweezers.   Read More...

SOLD – 8 draw nickel silver telescope – J. Hyde, Bristol.

SOLD – A good size 8 draw nickel silver telescope. The barrel finished in black baleen, signed on the first draw in script, ‘J. Hyde, Bristol’. It measures 5.75 inches long when closed and 30.25 inches fully drawn and has a crown / flint triplet objective lens of just over 1.5 inches diameter. There is a dust cover to the eye – piece. John Moor Hyde worked at 1 Broad Quay, Bristol from 1841 – 1852. I have no doubt that this telescope Read More...

Various instruments for a vacuum pump about 100 years old

Various instruments for a vacuum pump about 100 years old 1 so-called drop tube with a small stone and a small bird feather in it. When the tube is vacuumized they both fall down equally fast.2 Couple of Magdeburg Hemispheres3 Fountain tube for nice water and vacuum test demonstration 4 Vacuum sphere to demonstrate the weight of air Price € 125 each Read More...

Brass rectangular protractor, by Francis Watkins, circa 1760

A good English rectangular protractor in brass, engraved “F. Watkins”, circa 1760. As well as the usual angular scale the instrument contains a diagonal scale for plotting distances on a map or plan ; on the other side, 7 mathematical scales and 5 reduction or chart scales. Watkins was actif between 1747 and 1786, so we can date the instrument circa 1750-1760. Good condition. The instrument measures 15,7cmx4,8 cm. 15,7cmx4,8 cm. Read More...

JABEZ HOGG’S OWN WORKING COPY OF HIS CLASSIC OF VICTORIAN MICROSCOPY

HOGG, Jabez (1817–1899) The Microscope: Its History, Construction, and Application (London: George Routledge & Co.), 1859 Fourth edition [copy used in the preparation of the 6th edition] 8vo; pp. xiv, 621 Jabez hogg’s own working copy of his classic of Victorian microscopy. Signed by Hogg to the front free endpaper, with a note ‘Corrections for 5+6th editions’. In fact, these changes were only incorporated in the 1867 sixth edition, as the 1861 fifth is really a reissue of the fourth. The sixth is the Read More...

SOLD – Antique R & J Beck – Continental Pattern Brass Microscope – circa 1910, Cased

Offered for sale is a gleaming example of an antique R & J Beck monocular microscope standing on a continental-type horseshoe foot in lacquered brass finish.  According to my R & J Beck instrument dating table, manufacture would have been in around 1910 with the instrument carrying serial number 28241.  The condition of this example is exceptionally good, with hardly any age and use signs of wear to the lacquer finish that I can detect and a look that Read More...