By Claudio Giorgione The birth of a collection in Milan: from the Leonardo Exhibition of 1939 to the opening of the National Museum of Science and Technology in 1953 By Ian Blatchford and Natalia Sidlina The Cosmonauts challenge By Seb Falk Review: Ships, Clocks & Stars: The Quest for Longitude By Boris Jardine Made real: artifice and accuracy in nineteenth-century scientific illustration By Caitlin Doherty ‘½ vol. not relevant’: The scrapbook of Winifred Penn-Gaskell By Ben Russell Watt’s workshop: craft and philosophy in the Science Museum By Jean-Baptiste Gouyon ‘Something simple and striking, if not amusing’ – the Freedom 7 special exhibition at the Science Museum, 1965 By Robert Bud Responding to stories: The 1876 Loan Collection of Scientific Apparatus and the Science Museum By Florence Grant Reading, writing, drawing and making in the 18th-century instrument trade By Alice Cliff Coming home – Bally’s miniature phrenological specimens