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
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
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
Drawing. Black ink, parts for reducing sculpture copying machine bult by James Watt, 1806-1808. Drawing, parts for reducing sculpture copying machine 1806-1808
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. 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. 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
Drawing. Sketches and instructions for mounting a diamond on the end of a wire. dated Heathfield Oct 30th. On reverse, 30 Oct 08 / JWatt[?] Senr[?] / Drawing of a Diamd for Nathan. 10" x 8" no watermark. Sketches and instructions for mounting a diamond on the end of a wire 1808