Patent for improvements in the lubrication system of reciprocating engines, 15 Jan 1924
Alternative reference number
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.