| Description | Drawings of Mills, Other Firm’s Products etc. (16 items). 1458. Drawings of Mills by John Rennie, David Thomson, and William Playfair. 1777, not dated. 16 items. Shaded drawings of windmills and water mills etc. Drawings of a wind-powered saw mill by John Rennie: Front view of the building of a saw mill. Design for the elevation of the machinery of a saw mill. Plans of parts of the saw mill. Ground plan of the saw mill together with a view of the underside of one of the frames. Drawings by David Thomson: Ground plan of a barley and oat mill to go by wind and water, 1777. Ground plan of a flour and barley mill, 1777. Plan and elevation of the hirst. Elevation of the machinery of a barley mill [wind-powered]. Plans of the machinery for a barley mill and elevation of a wheel and brake. Ground plan of a bleaching mill. Drawings by William Playfair: Plan of a vertical barley mill (and side view of the case). Elevation of a vertical barley mill. Plan and elevation of a vertical barley mill [copies of the above drawings on 1 sheet]. Plan [actually an elevation] of a sugar mill [wind-powered]. Unidentified: Elevation of the machinery [of a flour mill]. Elevation of horse wheel and mill work [for winding sacks?]. |