Drawing. Design for hinged boards with pulleys for a driving band, 2 views and section of “Pulley frame No 1” that is shown fixed to one of the boards. Also 2 views and section of “No 2” that appears to have been intended to be fixed elsewhere. Endorsed in ink: “J. Watt / Apl. 5th 1810, 22 ¾" x 15 ¼", Coarse laid paper, no watermark. Drawing. Design for hinged boards with pulleys for a driving band 1810
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
Drawing. Lathe bench in ink, 3 views “J.Watt Apl 9th 1810”. 12 7/8" x 9" coarse laid paper no watermark Drawing. Lathe bench in ink, three views 1810
Drawing. 3 views: “weight of three pound to fix on one of the arms of fluwheel [sic] to balance the crank, full size Feby 9th 1811, ink drawing, 8" x 6 ¼" (cut from a 10x8 sheet?) watermark I.PARSONS / 1807 Drawing. Three views: “weight of three pound to fix on one of the arms of fluwheel [sic] to balance the crank..... 1811
Drawing. Ink drawing with dimensions and annotations, dated Feby 16th 1810. 21 ¾" x 17 3/8", watermark J WHATMAN / 1805. Ink drawing with dimensions and annotations 1810
Drawing. Wrapper from a packet addressed James Watt Esqr / Heathfield on the other side an ink drawing, a second view of the piece shown on sheet 20: “Spindle for diminishing machine Side view full size Jany 18th 1811 …” 10" x 8" watermark I.PARSONS / 1807 Drawing. “Spindle for diminishing machine, side view..... 1811
1 Alabaster reproduction, marked on back "Mar 25, 1810" oval 3 1/2" x 3 1/4" Alabaster copy of James Watt cameo 1810
Drawing. Press copy of drawings and instructions for the making of two drill spindles and collars (and drills?), similar designs but of different diameters, for the equal size sculpture copying machine present in Watt's workshop, by James Watt, 1810. Copy drawings and instructions for making two drill spindles and collars 1810
Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements 1972-3
1 Reproduction in alabaster, marked on back "J Hunter Decr 16th 1810" oval 3 7/8" x 2 7/8" Alabaster copy of male bust 1810