Scientific Researches! - New Discoveries in Pneumaticks! - or, an Experimental Lecture on the Powers of Air 1802
Leaflet for a work entitled 'Cases of successful practice with Perkin's Patent Metallic Tractors'. 1801
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