Showing 1 results

Typescript and manuscript notes, calculations and sketches made by Sainty during the designing of sand eliminators for tanks and the filtration of atmospheric air, which was extensively used in tanks for the war in North Africa, 1943-1945; leaflets and pamphlets relating to the work of Carrier Engineering Co Ltd in designing and installing filters for gas protection prior to and during World War Two, including a summary by Lt Col John Arthur Edward Heard.