UK and Ireland Archives - Page 59 of 94

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For sale, a rare mid Victorian cased miniature spectroscope by John Browning of 63 The Strand, London. Clearly described and engraved in Browning’s 1878 publication, “How to Work with The Spectroscope”. This very original and complete, cased spectroscope was sold by Browning as, “The Miniature Spectroscope” and is describes as follows: “This instrument will show many of Fraunhofer’s lines, the bright lines of the metals and gases, and the absorption bands in coloured gases, crystals, or liquids. The Miniature Spectroscope consists of Read More...

15 Aug

FINE ENGLISH EXPEDITION REFRACTING TELESCOPE BY ROBERT BANKS

By MikeRead

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SHIPPING UPS, FEDEX, ETC. FULLY TRACKED Contact Email: [email protected] Read More...

14 Aug

~FINE 1 3/4 INCH LEATHER BOUND THREE DRAW TELESCOPE-DOLLOND~

By ScientificaOpticae

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A fine 1 3/4 inch diameter, three draw telescope by Dollond c. 1840. Wonderful script signature “Dollond, London” on the first draw, early machining of all three draws, green flint/crown doublet object lens, clear optics, 10-20X magnification, object and ocular lens covers, tan leather body covering with intact stitching. Has seen little use (minor oxidation but nice and tight) and no dents to the draws or barrel. Leather military/naval style carrying sleeve has lost it’s strap. 10 inches closed, Read More...

13 Aug

C1895 John Weiss & Son Ltd Letter Opener

By M and R Gordon

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A late 19th-century “JOHN WEISS & SON LTD” advertising letter opener. Probably offered as a good- will gift to their regular customers. Weiss moved to 287 Oxford St, London, in 1889.They subsequently relocated to 11 Wigmore St. They are currently based in Milton Keynes. Read More...

08 Aug

McDermotts Screw Propeller Computer

By Fletcher

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A cardboard Calculator with directions for operating in original leather case Read More...

08 Aug

Clarks computer for Conversion of the decimal parts of an Acre

By Fletcher

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A celluloid ready reckoner for conversion of the decimal parts of an acre into rods and perches and into square yards or vice versa Read More...

08 Aug

Recording copper rain gauge by Casella of London

By Hatchwell Antiques

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An 8″ diameter recording copper rain gauge by C F Casella & Co of London. Circa 1950. With an internal 24 hour “Gluck” barometer recorder. Height: 63 cm. Diameter: 28 cm. Literature: Casella London Catalogue No. 684 METEOROLOGICAL AND SCIENTIFIC INSTRUMENTS. Pages: 120 – 122. Read More...

27 Jul

Book: The Microscopic Photographs of Benjamin Dancer.

By Scientific Inspirations

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By Brian Bracegirdle and James B. McCormick. An excellent very clean copy in its hard-case folder. U.K. post £7. Read More...

26 Jul

A small library telescope

By Scientific Inspirations

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Late 19th century small library telescope, unsigned, extending to 29″ (74 cms) and 23″ (58 cms) closed. The height is 15″ (38 cms) with a main lens of 42 mm. The tripod folds away for easy storage and the telescope gives a fine sharp image when viewing, with a magnification of 25 x. Some small marks to the body tube but generally in good condition. Read More...

25 Jul

~RARE AND FINE GOLD/COIN ASSAY SCALES WITH FULL WEIGHTS c.1772~

By ScientificaOpticae

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A spectacular and rare set of 18th C. gold assay scales with full 1772 weights (Guinea, 1/2 Guinea, 1/4 Guinea) and pennyweights stamped from 4 down to 1 (24 grains), all housed in a wooden insert and in their original rectangular tin box with conversion chart in lid. Ornate equal arm scales with brass pans (stamped one and two), original stringing, chiselled beam, ornate double pierced, tear-drop gallows and supension ring loop. These scales were intended to be hung over Read More...

23 Jul

Early Tourmanile Tongs for the determination of crystal geometry in optical mineralogy, ca. 1860

By Gilgamesh

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Tourmaline is a crystalline boron silicate mineral compounded with elements such as aluminum, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone, and the gemstone can be found in various colors. Tourmaline crystals are highly birefringent, a crystallographic feature resulting in the split of a ray of light crossing the crystal outside its optical axis into an ordinary and an extraordinary ray, being polarized at right angles to each other. However, the E-ray is rapidly Read More...

23 Jul

~GOOD GOULD-TYPE COMPOUND/SIMPLE MICROSCOPE/ROSEWOOD CASE~

By ScientificaOpticae

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A good Gould/Cary-type simple/compund brass microscope with most of it’s accessories (including 4 stacking lenses) in the style of Carpenter (yet unsigned). Original instruction sheet in bottom of the ornately carved rosewood case (no lock). Stage forceps missing and a couple of minor bruises to the brass body tube but otherwise complete and functional. This is the large 10″ ( 25 cm.) tall model (#86 on sheet) with articulating arm threading into a brass ferrule in the lid. Case Read More...