Seminars will be held on Wednesdays at 5 p.m. in the education room of the Museum of the History of Science, Broad Street, Oxford, as follows: 26 April Simon Chaplin (Senior Curator, Museums of the Royal College of Surgeons of England) ‘Redisplaying John Hunter's Museum’ 3 May Roy MacLeod (Leverhulme Visiting Professor in Modern History) ‘South Kensington comes to Sydney’ 10 May Eleanor Sheppard (University of Oxford) ‘A view of mathematical practice at the Medici Court in the sixteenth century’ 17 May Willem Mörzer Bruyns (Sackler Visiting Fellow, National Maritime Museum) ‘The introduction of the octant, 1731-1750’ 24 May Jim Bennett (Museum of the History of Science) ‘Catadioptrics for gentlemen and tradesmen: Gregorian telescopes and Hadley quadrants’ To find the room, come down the outside stone staircase to the basement level and though the glass doors beneath Broad Street. All welcome.