By Elizabeth Bruton The life and material culture of Hertha Marks Ayrton (1854-1923): suffragette, physicist, mathematician and inventor By Phillip Roberts Philip Carpenter and the convergence of science and entertainment in the early-nineteenth century instrument trade By Melissa Dickson Something in the Air: Dr Carter Moffat’s Ammoniaphone and the Victorian Science of Singing By Mieneke te Hennepe Private portraits or suffering on stage: curating clinical photographic collections in the museum context By Alex Hale Review: Fairfield Govan: visiting a future heritage space By Sally Shuttleworth Old weather: citizen scientists in the 19th and 21st centuries