UK and Ireland Archives - Page 92 of 108

Comments Off

DEMONSTRATION SOUNDING TUBES, probably English, late 19th century. These four lacquered brass tubes are mounted on a mahogany base 13-1/4″ x 4″ (34 x 10 cm), the tallest standing 11-1/8″ above the base. Each has a wood plunger piston which, when withdrawn rapidly, produces a sound whose frequency depends on the length of the standing column. Complete and all original, in fine condition. Read More...

13 Jan

HAIR HYGROMETER

By TESSERACT

Comments Off

HAIR HYGROMETER, English, c. second quarter 19th century, signed “Watkins & Hill, London.” The open framework is constructed of clear lacquered brass, 8-3/4″ (22 cm) tall overall, with suspension ring and mounts for the mechanism. It is fitted with a circular scale of relative humidity divided every unit from 0 to 100, and ends marked D(ry) and M(oist). An index pointer is driven by central double pulley, the pulley drawn counter-clockwise by string attached to a tight bundle of Read More...

13 Jan

Extremely rare late 18th century refracting telescope By Francis Watkins London

By Eppursimuove

Comments Off

Extremely rare late 18th century refracting Telescope by Francis Watkins London Signed: “WATKINS CHARING CROSS LONDON” Here we are dealing with a very rare achromatic refractor telescope produced by Watkins, as his reflection telescopes much more known than refractors. Furthermore, to make this telescope even more rare and historically interesting is the fact that it mount a triplet achromatic objective lens. Anyone who knows the history of the telescope with achromatic lenses, knows that it was John Dollond who patented it, after learning that Read More...

07 Jan

Very Large Victorian Desk Thermometer by W Watson & Sons London

By Jason Clarke Antiques

Comments Off

For sale, a very large Victorian desk thermometer by W Watson & Sons of 313 High Holborn, London. Oustanding design and very unusual for its huge proportions, this superb desk thermometer is comprised of a turned and graduated ebonised wooden base and upstand. To the front of the stand is a fantastic opaline glass and painted scale for both Fahrenheit and Centigrade with the maker’s name to the top, W. Watson & Sons, 313 High Holborn, London and patent registration Read More...

21 Dec

Star diagonal by Broadhurst Clarkson

By Hatchwell Antiques

Comments Off

A star diagonal by Broadhurst Clarkson & Co. of London. With R.A.S. standard 1 1/4 inch thread. Rear plate with 3 adjustment screws. Marked: STAR with the Broadhurst Clarkson logo (63 Farringdon Rd E C). Telescope accessory for observing at high altitude and near zenith. Read More...

17 Dec

J H Dallmeyer SER XIV projection lens

By Hatchwell Antiques

Comments Off

J H Dallmeyer London SER XIV projection lens. No: 94508 Marked: F=5″ = 13CM Barrel length: 8 cm. Barrel diameter: 5 cm. Diameter of front lens: 40 mm Read More...

16 Dec

Prototype design for an aircraft propeller boss

By Hatchwell Antiques

Comments Off

A 1930’s laminate mahogany prototype design for an aircraft propeller hub. Height: 31.5 cm – 12 inches. Diameter: 23 cm – 9 inches. Read More...

16 Dec

Frith of London telescope, 1830, three draw brass and mahogany, in case

By Telescope Collector

Comments Off

From 1829 to 1837, Peter Frith had Optician\’s offices and premises in Chancery Lane, London: this telescope is labelled Frith, London on the first draw. However it appears the main production facility was in Sheffield, in Arundel Street, through to 1857. This is an elegant telescope, designed for a Gentleman, maybe a landowner or a sailor. It has three draws, and a mahogany barrel with brass end fittings. The screws holding these fittings in place are original grub screws, Read More...

14 Dec

Victorian Celluloid Desk Magnifying Glass in Case by CW Dixey London

By Jason Clarke Antiques

Comments Off

For sale, a Victorian Parkesine celluloid rectangular desk magnifying glass in original leather case by CW Dixey of Bond Street, London. Exquisitely moulded with a looped handle and rectangular mount for the magnifying lens, the material is reminiscent of horn but is actually a fine example of the early use of the celluloid plastic invented by the British inventor Alexander Parkes who was awarded a patent for his invention in 1856. Its properties were shown off with great success at Read More...

04 Dec

Open scale barograph by C F Casella & Co, circa 1960

By Hatchwell Antiques

Comments Off

An open scale barograph by C F Casella & Co of London, circa 1960. 7 day clockwork “Gluck” barometer recorder. Width: 32 cm. Depth:18 cm. Height: 23.5 cm. C. F. Casella and Co: Established in 1810 as Tagliabue and Casella. Incorporated as a limited liability company, C. F. Casella and Co, in 1910. C. F. Casella and Co Ltd., of Regent House, Britannia Walk, London, N1 7ND – Makers of anemometers, anemographs, barometers, barographs, hygrometers, hygrographs, radiation instruments, rain gauges, recording rain gauges, record charts, sunshine recorders, Read More...

30 Nov

Rare first half of 19th century English Equinoctial dial

By Eppursimuove

Comments Off

Rare first half of 19th century English Equinoctial dial. The instrument is composed of an equatorial semicircle divided into 12 hours. This semicircle is movable on a meridian,a movable slider bridge joins its ends. The function is quite the same of an equinoctial ring dial. The instrument is fixed on a brass base with three regulations screws.(one of them was chaged with an old restoration) This is a very rare type of sundials, from this type of dial came the garden sundials which will Read More...

26 Nov

UNUSUAL COMPARISON RULE

By TESSERACT

Comments Off

UNUSUAL COMPARISON RULE, English, c. second quarter 19th century, signed “Troughton & Simms, London.” This 13-1/2″ (34 cm) long brass rule is 5/16″ square in cross section, engraved on the four sides with scales of English inches from 0 to 12 by tenths, Spanish inches likewise, old French inches (the old “Pouces du Roy”) from 0 to 12 by twelfths, and “Decimetre’s” from 0 to 3 by hundreths (i.e., by millimeters). Condition is excellent, complete with its original slightly Read More...