By Barry Murnane, Darragh Murnane, Mark Sanders and Noel Snell ‘Great ease and simplicity of action’: Dr Nelson’s Inhaler and the origins of modern inhalation therapy By Tim Boon, Roger Kneebone, Peter Heering, Klaus Staubermann and Yves Winkin A symposium on histories of use and tacit skills By John Kannenberg Towards a more sonically inclusive museum practice: a new definition of ’the ‘sound object By Sophie Goggins, Tacye Phillipson and Samuel J M M Alberti Prosthetic limbs on display: from maker to user By Jennifer Landry Museums theme – Beyond the Black Box: reflections on building a history of chemistry museum By Martha Fleming Museums theme – making Split + Splice: Fragments from the Age of Biomedicine By Dirk van Delft Museums theme – Quest for Absolute Zero: A Human Story about Rivalry and Cold By Elizabeth Bruton The life and material culture of Hertha Marks Ayrton (1854-1923): suffragette, physicist, mathematician and inventor By Sarah Baines From 2D to 3D: the story of graphene in objects By Tom Ritchie Ventriloquised voices: the Science Museum and the Hartree Differential Analyser