Robert William Dutton, London c1850
A mahogany drop dial wall timepiece, signed on the 12-inch diameter silvered dial Dutton Fleet Street.
The mahogany and mahogany veneered round-bottomed case has a lockable door at the bottom and two side doors for access to the pendulum.
Case height 17 inches, case diameter 14½ inches.
Richard Webster, Cornhill, London c1820
A classic example of Regency period Gothic - a mahogany lancet top bracket clock with fine brass inlays.
The clock movement was made by the respected partnership of Handley and Moore who specialized in making bracket clock movements for the trade in Regency London.
Height: 18½ inches.
Curta Calculator Type II c1970
A type II Curta calculator, complete with its original plastic canister case.
The underside of the Curta is marked Type II No 555400 Made in Liechtenstein (Customs Union with Switzerland) by Contina Ltd Mauren System Curt Herzstark.
The calculator is sold with its original two Curta instruction manuals, Curta square root tables, and original cardboard box.
Thomas Jump, Prescot c1800
A rare clockmaker's sector, made circa 1800, engraved on the movable arm T. Jump Prescot.
The sector is 14 inches long and made of patinated brass. The pinion sizing section of the scale is graduated 6,7,8,10, 12, 14, 16; the wheel sizing scale is graduated from 20 to 110 at one unit intervals.
J.B. Dancer, Manchester c1860
A scientific barometer on the Fortin principle signed on the silvered scale J.B. Dancer, Optician, Manchester No. 282.
The instrument has a black painted tube with a thermometer mounted on the front.
The barometer scale reads from 27 to 32.5 inches of mercury, the thermometer scale from 25 to 110 degrees Fahrenheit.
Jonathan Lowndes, London c1695
An ebony veneered bracket timepiece with pull quarter repeat on two bells, signed on the dial plate J Lowndes London.
The 5-pillar movement (centre pillar latched) has a single fusee with (replaced) verge escapement.
Clock case height 16 inches, including handle.
Hamilton Watch Co. c1943
A fine 2-day marine chronometer in its original mahogany box, signed on the silvered dial Hamilton Lancaster, PA., U.S.A. N1484 1941.
The chronometer has subsidiary dials for seconds and state of wind with blued steel hour and minute hands.
The chronometer is complete with its original numbered ratchet winding key.
J. A. Reynolds & Co., Birmingham
An early 20th century set of nickel alloy, steel and ivory drawing instruments by the English manufacturer J. A. Reynolds & Co. Limited, Birmingham.
The instruments are housed in their original burr walnut box with lift out tray.
E. Dent & Co., London c1870
A small brass cased ship's bulkhead timepiece signed on the white painted dial E. Dent & Co. 61 Strand & 34 Royal Exchange London 1944 .
The clock has a 5-inch diameter polished brass case with opening glass bezel and silvered sight ring. The white painted dial, 4 inches in diameter, has a regulation lever at 12 o'clock and brass hands.
Mahogany Card Table c1785
A George III serpentine fronted, mahogany and mahogany veneered card table with mahogany crossbanding, and ebony and boxwood stringing to the top and frieze.
The folding top stands on tapering and moulded mahogany legs with inlaid oval decoration to the top, the rear legs swing out to support the top when open.
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.