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Online Gallery | Scientific Instruments
We specialise in the more decorative scientific instruments which can make interesting focal points in the modern home.Delivery of scientific instruments is free in England and Wales and we will be pleased to arrange packing and shipping of any item, to anywhere in the world.We also have some good books for sale on barometers and barographs and also on sundials.
Last updated 9 May 2017
Curta Calculator Type I c1968 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 72207. The two essential operating manuals (Your Curta Calculator and Computing Examples for the Curta Calcutating Machine) can be downloaded from the web at: www.curtamania.com/curta/code/curta_manuals.html
Curta Calculator Type II c1967 A type II Curta calculator, complete with its original plastic canister case. The underside of the Curta is marked Type II No 544342 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 and original cardboard box.
Thomas Jump c1800 A rare clockmaker's sector, made circa 1800, engraved on the movable arm T. Jump. Thomas Jump worked in Prescot, Lancashire.The sector is 17½ inches long and made of brass.
Clockmaker's sector A rare clockmaker's sector, with a tangent screw for fine adjustment, dating from the second half of the 19th century. The sector is unsigned.
Richard & Henry Frankham, London c1845 A mahogany bow-front stick barometer with thermometer, signed on the silvered register plates Frankham 12 Wilson Stt Grays Inn Rd London.The barometer has a boxwood cistern; the scale is calibrated from 27 to 31 inches of mercury and is fitted with a vernier operated by a bone knob. The mahogany veneered case which conceals the tube has a turned and ebonised cistern cover and curved glass over the pressure and temperature scales.
English Scientific Barometer c1850 A rare mid-nineteenth century scientific barometer with a large diameter tube and a movable scale so that the zero position may be accurately set to the level of mercury in the short limb. The barometer and a thermometer are mounted on a mahogany backboard.