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
Drawing. Black ink with dimensions ands titles in red ink. “Eidograph Jany 18th 1809 / Scale half inch to the inch / views of paralel motion” £ views of the wooden frames, trussed with “steel”, fitted up. The upper frame hangs vertically, with “roof” truss to rear, and the lower is horizontal with the truss upward. The support for the drilling instrument is show as “Tube or round bar …”. 21 ¾" x 17 3/8", watermark J WHATMAN / 1805. Drawing, dimensions and titles in red ink. “Eidograph Jany 18th 1809 /.... 1809