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
2d ‘cartwheel’ coin, gilt, made by Soho mint 1797. The gilt versions of the standard copper coin were intended as marketing tools by Matthew Boulton, and were circulated to movers and shakers alongside the circulation version. Coin 1797