Barraclough's thermodynamic surface model Barraclough's thermodynamic surface model and a copy of same 1925-1930
Book, "A description of an astronomical instrument, being the orrery reduc'd : which shews the use of it so far as relates to the motion of the Earth and Moon, explain'd to the meanest capacity, made either in silver, brass or wood.", by Thomas Wright and published by Thomas Wright, London, c.1720. Located at the Science Museum Library at Wroughton. Shelfmark: O.B. WRI WRIGHT. Astronomy book by Thomas Wright 1718-1722
Selenium cells and model apparatus for transmitting pictures by telegraph (phototelegraphy). Designed and constructed by Dr Shelford Bidwell in 1881. Mounted on board. (Seven parts, 1908-141/1 to 1908-141/7). Selenium cells and model apparatus for transmitting pictures by telegraph, 1881 1881