Sunday, November 6, 2022

Pump for the Iron Lung Invented by C. E. H. Armbruster

Cast iron pump with a “LEIMAN BROS. AIR PUMP / PAT'D JUNE 04 / MAR 08” inscription. Charles EH Armbruster used this pump for an iron lung of his own invention.

Ref: William H. Leiman and George W. Leiman, “Rotary Pump,” US Patent 762,539 (June 14, 1904).William H. Leiman and George W. Leiman, “Blower,” US Patent 883,464 (March 31, 1908) .