Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements 1972-3
Model of Henry Cavendish's Torsion Balance Gravitational Apparatus, 1798 1798 (original); 1977 (model)
Small stone scarab pierced longitudinally with flat base engraved with design of standing harpist and seated figure 2000-1000
Flymo Super Professional 47 rotary air cushion mower Flymo Super Professional 47 rotary air cushion mower 1979-80