By Helmuth Trischler The research museum – a place of integrated knowledge production By Stephen Johnston Jim Bennett (1947–2023): life as a museum practitioner By Graeme Gooday, Alexander King and Nela Spurna 1876 and All That: the ‘Special Loan Collection of Scientific Apparatus’ as a case study in crowd-sourced international public science By Alison Hess Book review: Curious Devices and Mighty Machines: Exploring Science Museums by Samuel J M M Alberti (Reaktion Books, 2022) By Kylea Little, Felicity McWilliams and Ellie Swinbank ‘South Kensington is practically as far away as Paris or Munich’: the making of industrial collections in Edinburgh, Newcastle and Birmingham By Tim Boon Origins and ambitions of the Congruence Engine project By Abigail MacKinnon The BepiColombo ‘model’: looking beyond the ‘original’ By Meredith Greiling Smart and sustainable: collecting urban transport and mobility innovation in the 2020s By Colin Ford Obituary: Dame Margaret Weston, DBE, FMA (7 March 1926–12 January 2021) By Ian Blatchford Lyon Playfair: chemist and commissioner, 1818–1858