By Tom Everett Writing sound with a human ear: reconstructing Bell and Blake’s 1874 ear phonautograph By Elizabeth Haines and Anna Woodham Mobilising the Energy in Store: stored collections, enthusiast experts and the ecology of heritage By Ben Russell Book review: The Life and Legend of James Watt by David Phillip Miller By Phillip Roberts Philip Carpenter and the convergence of science and entertainment in the early-nineteenth century instrument trade By Claire Kennard Understanding storm surges in the North Sea: Ishiguro’s electronic modelling machine By Glyn Parry Review: Scholar, courtier, magician: the lost library of John Dee (Royal College of Physicians, 18 January-29 July 2016) By Jim Bennett The Science Museum and the Leonardo da Vinci Quincentenary Exhibition of 1952 By Jim Bennett James Short and John Harrison: personal genius and public knowledge By Florence Grant Reading, writing, drawing and making in the 18th-century instrument trade By Jim Bennett Review: Perfect Mechanics: Instrument Makers at the Royal Society of London in the Eighteenth Century, by Richard Sorrenson