Curta Calculator Type 1 c1969
A type I Curta calculator, complete with its original plastic canister case.
The underside of the Curta is marked System Curt Herzstark Made in Liechtenstein by Contina AG Mauren Type I No 74355.
The calculator is sold with its two original Curta instruction manuals and the original numbered cardboard box. The calculator is in good working order and is in excellent condition, the instruction manuals and box are a little worn.
Otis King's Calculator c1965
An Otis King's Patent Calculator, model K, stamped on the bottom Made in England Y4198.
The calculator is complete with its original instruction leaflet and original numbered cardboard box. Inside the box is a laminated card insert showing the decimal parts of £1 (the £1 shown in shillings and pence) and the decimal equivalents of parts of an inch (the inch shown as 1/64 - 63/64.
Jesse Ramsden, London c1775
A rare and interesting scientific stick barometer by Jesse Ramsden incorporating his innovative improvements in accuracy.
The barometer is signed on the silvered register plate Ramsden London.
The instrument is of mahogany with an ebony moulding around the register plate, it has a flat front with concealed tube and boxwood cistern.
A late 18th century set of drawing instruments in original black sharkskin covered case.
Hunt & Roskell, London c1875
A good 2-day marine chronometer in its original mahogany box, signed on the silvered dial Hunt & Roskell, 156 New Bond St.t London. 13013.
The movement has an Earnshaw type spring detent escapement, and the inside of the bowl is stamped 31.
Thomas Mercer, St. Albans c1943
A good 2-day marine chronometer in its original mahogany box, signed on the silvered dial Thomas Mercer Ltd St. Albans, England. 16442, and engraved with the Admiralty 'broad arrow'.
The underside of the bowl is engraved with a broad arrow and HS1 indicating that the chronometer was in British Government service.
Negretti & Zambra, London
A boxwood pocket sundial signed on the compass dial paper Negretti & Zambra, London. Dials of this type are known as diptych dials. This dial dates from the second half of the 19th century.
Thomas Blunt, London c1800
A George III, 12 inches diameter, bronze horizontal sundial engraved with the maker's name T Blunt Cornhilll, London.
Joseph Windmills, London c1685
A good brass lantern clock, by a well respected late 17th century London maker, signed on the engraved dial centre J Windmills London.
This clock is a rare example of a verge escapement with the pendulum swinging between the trains and has never been converted to anchor escapement and long pendulum.
Dent, London c1870
A ship's bulkhead timepiece complete with its original oak case and original winding key, signed on the white painted dial Dent London.
The oak case has a sliding front panel and measures 8¼ inches wide x 9½ inches high x 2½ inches deep.
Skeleton Clock c 1840
A good English single train skeleton clock with passing strike mounted on its original, brass inlaid, ebonised base complete with glass dome.
Height, including glass dome, 17¾ inches.
Litherland Davies & Co, Liverpool c1840
A small 2-day marine chronometer in its original mahogany 3-tier box signed on the 3¾-inch silvered dial Litherland Davies & Co,, Liverpool 488/13856.
The chronometer has a helical blued steel balance spring and an Earnshaw type balance.
James & Robert Barker, London c1850
A good mahogany 4-glass mantel clock signed on the movement backplate John & Robert Barker 17 Aldgate High Street 1791.
The clock has a 6¼-inch square silvered dial with engraved corners and blued steel hands.
Case size 9½ x 6¼ x 12½ high.
Thomas Blunt, London c1810
A George III, 8 inches diameter, bronze horizontal sundial engraved with the maker's name T Blunt Cornhill, London.
The centre of the dial is engraved with an 8-point compass rose and the Latin motto Tempus Ager meus (time is my field).
R & J Beck, 31 Cornhill, London c1875
A good Victorian lacquered brass compound achromatic microscope, complete with its original case and accessories, signed and numbered on the foot R & J Beck 31 Cornhill London 6163. The instrument and its accessories retain much of their original lacquer.
D. McGregor & Co., Glasgow, Liverpool & London c1890
A good 8-day marine chronometer in a 3-tier rosewood box, signed on the silvered dial D. McGregor & Co Makers to the Admiralty, Glasgow, Liverpool, London. No 7357 Gold Medal Paris 1867 Prize Medals London.1862 Paris.1855.
The chronometer is complete with its original winding key and a rating certificate dated May 1981. The chronometer was in government service for a period as the Admiralty broad arrow is engraved on the dial and repeated on the bottom of the bowl together with H.S.1.
G. E. Frodsham, London hallmarked 1863
A gold cased pocket chronometer signed on the white enamel dial G. E. Frodsham Gracechurch Street London.
The watch is complete with a gold and steel winding key (key not hallmarked).
John Owen, Llanrwst c1765
A good Welsh 8-day oak longcase clock, with starburst inlay to the door, signed on the silvered chapter ring John Owen, Llanrwst.
The clock is 7' high.
Victor Kullberg, London c1910
A good 2-day marine chronometer by Victor Kullberg, housed in its original 3-tier mahogany box, and signed on the silvered 4-inch diameter dial Victor Kullberg, Maker to the Admiralty, the Indian and Italian Governments. 105 Liverpool Rd London N. 8205.
Kullberg's entered this chronometer in the 1912 Greenwich trials where it came 7th and was purchased by the Admiralty on 1 April 1912 for £48.00. The chronometer remained in Government service until it was sold by the Ministry of Defence on 18 October 1983.
C. W. Dixey & Son, London c1920
An 8-day barograph in an oak case with a chart drawer below. The barograph is engraved for the retailer C. W. Dixey & Son Opticians to the King 3 New Bond St London W.
The barograph is complete with glass ink bottle and dipper, and a year's supply of charts.