Meade Starfinder Dobsonian telescope, a newtonian reflecting telescope with a 6-inch mirror and a focal length of 48-inches on an altazimuth mount with a selection of accessories Meade Starfinder Dobsonian telescope 1995
Frame for Television prismatic optical effects unit, formerly used by ATV, 1967-1977. Possibly believed to have been used in the production of the video for 'Bohemian Rhapsody' by Queen. A large metal and plywood frame with a set of different types of circular multiple image mult-sector prisms which mount into it - used for creating multi-image and 'kaleidoscopic' effects by placing the unit in front of the television camera lens. Frame for ATV television prismatic optical effects unit, c 1972 1967-1977
Cross-section drawing of an Electrolux Cooling System Unit, by the Science Museum, 1954. Drawing of Electrolux Cooling System, 1954 1954
Meade Starfinder Dobsonian telescope, a newtonian reflecting telescope with a 6-inch mirror and a focal length of 48-inches on an altazimuth mount Meade Starfinder Dobsonian telescope 1995
Print: lithographic print by David Roberts, RA and Louis Haghe, 'The Nileometer, Island of Rauda' (Cairo, Egypt), 19th century. Mounted on chipboard. 'The Nileometer, Island of Rauda' (Cairo, Egypt), 19th Century 1801-1900
Base unit containing golden ball, from "Disappearing Golden Ball" experiment, showing capacity effect. Mullard Limited, England, UK, c. 1958 Base unit from "Disappearing Golden Ball" experiment circa 1958
Modified 'Beaver' Ventilation unit, manufacturer unknown, with parts by The British Oxygen Company Limited, United Kingdom, 1945-1960 Modified 'Beaver' Ventilation Unit 1945-1960