Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements 1972-3
Model of English Electric "Lightning" aircraft, scale 1:24. English Electric Lightning, 1949-1960. 1949-60
Model of Henry Cavendish's Torsion Balance Gravitational Apparatus, 1798 1798 (original); 1977 (model)
Bronze medal by Koenig and Loos commemorating Lorenz Oken and 7th Congress of German " Natural Medicine" practitioners 1828