UK and Ireland Archives - Page 62 of 94

Comments Off

The goniometer eye-piece should fit an RMS tube diameter; that is, most continental European and American microscopes made after ca. 1850. Read More...

13 May

Miniature nickel silver double arm protractor in case – Piggott, London.

By Scientific Inspirations

Comments Off

Quite rare; a 4.5 inch nickel silver double arm protractor by Piggott, London, with geared adjustment via a thumb-wheel, the swining arms with pointers and steel springs (one missing), divided from 0 – 360 down to a half degree, the vernier reading to 15 arc seconds. The reverse engraved with previous owners name, ‘H. Stone’. Contained in original mahogany case 13.5 x 13.5 cms with two fastening hooks. Probably either George or Peter Piggott with a combined working range date Read More...

13 May

nickel silver single arm protractor in case – Stanley.

By Scientific Inspirations

Comments Off

A very nice 6 inch nickel silver single arm protractor, signed on the vernier arm, ‘Stanley, London’ and also engraved on the cross bar, ‘Re-divided by C. Baker’. Contained in a felt lined mahogany case with magnifyer, the lid with two fastening hooks. Read More...

08 May

Early 19th Century Spar Ling Surgeons Or Bloodletting Thumb Lancet in Original Etui

By Gilgamesh

Comments Off

A nice example of a thumb lancet with a very sharp single steel blade housed in a tortoiseshell two-piece handle, signed Spar Ling, in its original leather-coated pasteboard etui. Read More...

08 May

Antique Brass Microscope. R&J Beck’s Opaque Disc Revolver with Provenance

By Antique Microscopes

Comments Off

A complete opaque disc outfit from R&J Beck, circa 1870. It was previously owned by Charles Schultz, a founder and former president of the New York Microscopical Society. The item is in very fine condition, with an intact fusee chain to drive the revolution of the disc. Read More...

20 Apr

~FINE FOLDING ARM CIRCULAR PROTRACTOR-SIMMS, LONDON~

By ScientificaOpticae

Comments Off

A fine and rare six inch folding arm, circular protractor by William Simms PRIOR to the formation of the famous duo of Troughton & Simms c.1826. Signed SIMMS, LONDON in bold block letters and serialised * 11. Not geared as in later examples, the outer ring 360 degree, finely divided (not engine) according to Simms special method which intrigued Troughton and the scientific instrument community. Geared and locking slow motion worm and screw opposite a vernier reading from 0-25 Read More...

11 Apr

~UNUSUAL COMPLETE SET OF APOTHECARY WEIGHTS AND SCALES~

By ScientificaOpticae

Comments Off

An unusual and complete set of apothecary weights with equal arm balance marked D crown J lion passant (Dover Justices) c.1880. I could find NO other extant examples of these rare weight markings. The cylindrical weights (in grams-1 x 20, 2 x 10, 1 x 5, 2 x 2 and 1 x 1) all stamped D crown J with lion passant (see photo), together with wafer weights in 5 ,2 and 1 decigrams. The steel beam measures 14 cm. Read More...

07 Apr

Brass equatorial ring signed J. (Joseph) Jackson Fecit made circa 1760

By Galerie Delalande Paris

Comments Off

Brass equatorial ring signed « J. (Joseph) Jackson Fecit ». The meridian circle, on the signature side, bears a latitude scale 90-0-90. On the other side a scale graduated from 0 to 90 centred on the pin hole on the opposite side. The hour ring graduated on one side from I to XII twice and subdivided by 30 minutes, 15 minutes, 7,5 minutes. Inside the same divisions. The central bridge bears on one side the scale of the months and on the other the Zodiac Read More...

07 Apr

Large brass equatorial ring signed J. BENNETT LONDON made circa 1730/1740

By Galerie Delalande Paris

Comments Off

Large brass equatorial ring signed “J. BENNETT LONDON“. The meridian circle, on the signature side, bears a latitude scale 90-0-90. On the other side a scale graduated from 0 to 90 centred on the pin hole on the opposite side. The hour ring graduated on one side from I to XII twice and subdivided by 30 minutes, 15 minutes, 5 minutes. Inside the same divisions. The central bridge bears on one side the scale of the months and on the other the Zodiac Read More...

04 Apr

~LARGE BULLSEYE CONDENSER by BROADHURST and CLARKSON~

By ScientificaOpticae

Comments Off

A good and large (full size for a No. 1 stand) bright brass, bullseye condenser by Broadhurst, Clarkson & Co., 63 Farringdon Rd. London, E.C. c.1900. Standing 30 cm. tall (fully extended) with a 25 cm. arm terminating in an anodized brass bound ring to the 5 cm. plano convex lens, this microscope accessory could be used in conjunction with a B&C microscope or a stand alone desk adornment. Not without it’s minor faults (due to improper shipping), it has not Read More...

02 Apr

~CASED STANHOPE/MINIATURE CODDINGTON LENS- F. L. WEST~

By ScientificaOpticae

Comments Off

A fine cased, minature Coddington lens/Stanhope by Francis L. West c.1855. Constructed from a solid biconvex lens (perfect) with 10 x magnification and a body of German silver, this optical toy/aid was popularized by West in the Victorian era and marketed profusely. Overall, the instrument is near flawless as is the maroon card case with the later 31 Cockspur Street, Charing Cross address. 5.5 x 2 x 1.5 cm. deep. Read More...

30 Mar

~FINE 6 INCH FOLDING ARM, GEARED PROTRACTOR-GILKERSON & McCALL, LONDON~

By ScientificaOpticae

Comments Off

A fine 6 inch (15 cm.) geared, circular, folding arm protractor by Gilkerson and McCall, Tower Hill, London c.1770. Everything intact and never touched (was stuck in the kidney shaped case for 250 years). The brass roping (knurling) is magnificent. Unusual signature (McCall/MacAll is misspelled as McAll). Everything is as it should be (all screws present). Geared and silvered (oxidised) 360 degree circle delineated to one half degree, folding arms with pins intact, glass window with etched “cross hairs” and flawless Read More...