Coloured diagram showing arrangement for exhausting a large wireless valve, by Science Museum Drawing Office, South Kensington, London, 1927. A Herbert McLeod vacuum gauge is shown for measuring pressure. Coloured diagram showing arrangement for exhausting a large wireless valve 1927
10" x 14" coloured drawing of coupling, c. 1800, mounted on a cardboard sheet. being a square coupling, a Boulton & Watt coupling link and a round coupling. 10" x 14" coloured drawing of coupling circa 1954
Coloured diagrammatic view, in section, of Boulton and Watt's Rotative Engine, 1788. (Which is on inventory as object number 1861-46). Coloured diagrammatic view, in section, of Boulton & Watt's Rotative Engine
[Sectional drawing of Lenoir's igniter, 1865. 1934. Ink & colour wash, scale 1 : 1. Museum drawing relating to Lenoir's 1860 patents. The ignition coil of his gas engine caused the spark to trigger combustion. An 1860 Lenoir gas engine, inv. no. 1865-21, is in the Museum's Heat Engines (other than steam) collection] Lenoir's igniter, 1865 1934
Coloured section drawing (scale 1:2) Peam wet vacuum pump, by the Science Museum Drawing Office, South Kensington, London 1915-1925. The drawing is mounted on sketching board, by Winsor and Newton, London. Coloured section drawing (scale 1:2) Peam wet vacuum pump 1915-1925
Enlarged sectional drawing showing construction of Renold's keyed bush roller chain Enlarged sectional drawing 1935
10" x 14" coloured drawing of clutches, c. mounted on a wood block board. Being conical,periferal and rim friction clutches and a self disengaging clutch. 10" x 14" coloured drawing of clutches 1954, drawing; circa 1800 objects
Drawing showing two methods of using Michell Slipper Type Thrust Units, made from information supplied by Michell Bearings,: Westminster, SW1 Drawing showing two methods of using Michell Slipper Type Thrust Units 1922