Coloured diagram showing arrangement for exhausting a large wireless valve

Made:
1927 in South Kensington
maker:
Science Museum Drawing Office

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.

Details

Category:
Vacuum Technology
Object Number:
1929-34
Materials:
cardboard and paper (fibre product)
Measurements:
overall (lying flat): 2 mm x 360 mm x 230 mm, 0.12kg
type:
diagram
taxonomy:
  • visual and verbal communication
credit:
Science Museum Draughtsman