In 1963-65, S.I. Fishgal, among novelties described later in his 600 patent applications and publications, pioneered in using hydro-impacts for numerous technological processes. Back then the only known usee were hydraulic rams. The author’s other engineering books are Rock Crushers Inventions”, “Military Cable Layers-Extractors Inventions, “Applied Cavitation Inventions” and Automotive Inventions. His historical novels are Piddler on the Hoof, Kosher Hooks and Mein Krampf.
