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Prototype design for an aircraft propeller boss

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...

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

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...

Victorian Celluloid Desk Magnifying Glass in Case by CW Dixey London

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...

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

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...

Rare first half of 19th century English Equinoctial dial

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...

UNUSUAL COMPARISON RULE

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...

Kinora viewer with adjustable focus, circa 1910.

A cast metal body Kinora viewer with dual lens adjustable focus, circa 1910. Stippled black and copper paint to main body and lens holders, with The Kinora registered trade mark, and PATENTS APPLIED FOR in gold lettering. With handwritten label to underside: Christies 5.4.78 Literature on this model: The Kinora: Motion Pictures for the Home, 1896-1914. by Barry Alan Anthony, 1996. Page: 39. ACR (Ariel Cinematographica Register) No: 0829 Read More...

3 Boxwood bottle holders and 1 boxwood receptacl

A late nineteenth century boxwood diameter 9,5 cm  receptacl with glass insert and features a cork seal and  three bottle holders two with bottle and one without. 12 cm – 10,5cm – 7,5cm heigh  Read More...

LARGE EBONY OCTANT BY BANCKS LONDON

SHIPPING BY UPS., FULLY TRACKED. Contact Email:  [email protected]                       IVORY REGISTRATION NUMBER   TL2XY2DX Read More...

Early 19th century surgical trepanning set.

A nice English early 19th century, unsigned trepanning/Neuro surgical set. This set is contained in its original (29 x 20 x 5 cm) mahogany case  and lined in red velvet with brass hines. Present is a complete trepanation set of polished steel tools with turned handles of beautifully grained tropical hardwood. Included are a drill;  two cutting trephines of different diameters, each with central pin and mounted with large boldly shaped handles; two arrowhead perforator; wood handled brush; elevator Read More...

INVALID FEEDER, English, c. 1920, “W. Adams & Co. 1917,” soft-paste porcelain cup 4-5/8″ (12 cm) in diameter, with spout and side handle, very fine.

INVALID FEEDER, English, c. 1920, “W. Adams & Co. 1917,” soft-paste porcelain cup 4-5/8″ (12 cm) in diameter, with spout and side handle, very fine. Read More...

An Empty Mahogany Case for a Chest Microscope

An empty case for a chest microscope, noting missing part of wood base. Read More...