Refractor telescope by François Can, 81 Quai de l'Hôpital, Lyon

Universal Microscope by R & J Beck of London, 1867. Serial number: 4757. Circular base marked: UNIVERSAL MICROSCOPE - R & J BECK LONDON In original fitted ca...

An early 19th century brass surveyor's level with telescope, compass and spirit level. With original brass mounted pine case. Telescope length: 18 1/4 inches. - 46.5 cm. Fitting for tripod mount, now re-mounted on a modern brass plate for desk top display.

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...

An oak cased brass pantograph by Thomas Dunn of 50 North Street, Edinburgh. Interior of case has trade label: Thomas Dunn, optician, mathematical and philosophical instrument make...

Large Antique Solid Brass Library Telescope by Broadhurst, Clarkson and Co Marked: '' 63 Farringdon Rd London EC. Broadhurst, Clarkson and Co''

Gregory brass spyglass - Deutsches Museum 1978/79 limited edition. This reflecting foldable telescope is being published in a worldwide limited edition...

This beautiful floor standing telescope, 60mm f/15 NEDOPTIFA, dates from the 1930s and was made by Piet G. Meesters. One of the most famous Dutch amateur astronomers of the last cent...

A fabulous 19th Century brass three draw telescope by 'Broadhust and Clarkson, London’, circa 1880. This stunning piece is of exceptional quality, fully restored and with excellent ...