The original engine of Henry Bell's paddle steamer, ‘Comet’, by John Robertson and David Napier, Glasgow, Scotland, 1812 The original engine of Henry Bell's paddle steamer 1812
Model of an independent type 'Cabinet' rotative beam engine, with self-supporting iron frame and cistern bed, made by Boulton, Watt & Co., and owned by James Watt, c1813, with tin container, for cigarettes, containing nineteen steel flat washers, fourteen slotted brass dome-head machine screws and an ‘L’ shaped flat piece of wood. Model, of an 'Independent' type beam engine by Boulton, Watt & Co., 1813 1812-1814
Drawing. 2 views: “Guide pulley[s] for beam? of paralel lath Feby 12th 1811” pulleys on arm to be keyed to tube. ink drawing with endorsements. 10" x 8" no watermark. Drawing. Two views, guide pulleys, ostensibly for beam 1811
Drawing. 2 views but “Improved guide pullies Feby 26 [struck through] Mar 20th 1811” ink drawing with endorsements, 10" x 8" watermark. I.PARSONS / 1807. Drawing. Two views, but “Improved guide pullies Feby 26" struck through 1811
Drawing. Wrapper from a packet, postmarked NOV 28 1810 BIRMINGHAM, addressed Jas Watt Esqre / Heathfield On the other side an ink drawing: “Spindle for diminishing machine Jany 18th 1811… endorsed: “reduce thickness … if hammered instead of cast iron” a view of the gimbal joint for the tubular arm of the machine. 10" x 8" paper with a bluish tinge Drawing. “Spindle for diminishing machine Jany 18th 1811… 1811