Chadburn’s patent engine revolution counter

A brass ship's inclinometer, circa 1910. Scale in degrees from the vertical to 40° of tilt/list. An inclinometer, or clinometer, is an instrument used for measuring angles of s...

A rare model of a Kinora monochrome motion picture viewer on folding base. Light oak lens holder and base, with the circular Kinora badge, circa 1905. ...

A French Odobey type turret clock, Morez, circa 1900. Now mounted with as a glass top table. Removable glass top. Can be returned to a working clock mechanism. With winder, pendu...

A mid twentieth century Campbell–Stokes sunshine recorder, by Casella & Co, London. Pattern: Mk III C 45- 65 (latitudes 45° – 65°, North or South). 4 inch glass sphere. Serial number: 6962 Marked: CASELLA LONDON MADE IN ENGLAND 6962 For similar Casella sunshine recorders see the collections of: Science Museum, London. OBJECT NUMBER:1995-820. The National Museum of the Royal New Zealand Navy, Torpedo Bay, New Zealand. The Campbell–Stokes sphere is used to record sunshine. It was invented by John Francis Campbell in 1853 and modified in 1879 by Sir George Gabriel Stokes. The original design by Campbell consisted of a glass sphere set into a wooden bowl with the sun burning a trace on the bowl. Stokes’s refinement was to make the housing out of metal and to have a card holder set behind the sphere. 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. Circa 1930: 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...

Brass engine room telegraph with commands “hard left”, “hard right”, “steady”, “course” etc. Telegraph has one face-plate and brass handle. Mount...

National cash register. Designed for transactions in Danish kroner (Kroner Øre). Its classic design combines a sturdy, dark varnished wooden frame with a metal mechanism, reflecting the style of early 20th century cash registers. The top of the machine has a mechanical display...

ABOUT An antique cast iron and steel Dalton adding machine with Bakelite keys, wooden handle and original brass plaque with patent dates of 1912. With a fully functional wood and st...

A very stylish late nineteenth century desk clock with integrated compass, reminiscent of the Industrial series of clocks by Andre Guilmet. The eight day movement governed by a cylin...