Reference number
  • LAN/6/190
Alternative reference number
  • 1925-232661
  • Item
  • 15 Jan 1924
  • In engines with crank case lubrication from an oil sump or reservoir by means of a pump; aims to provide an alarm or interrupt the engine when the oil level gets too low. Includes an oil level gauge with electrical contacts. Later application 4 November 1924, complete left 17 November 1924.