Drawing, Hand-power Cream Separator, ca.1890. Line drawing, pencil, pen and ink with colour wash, scale 1 : 1, 74 x 52cm, made in Museum, from information supplied by Watson Laidlaw & Co. Ltd., Glasgow. Crosssection elevation, to full size, of a hand powered cream separator with epicyclic gearing. Line drawing, pencil, pen ink with colour wash of hand-power cream separator, 1885-1895 1885-1895