engleski

Petar Salcher- Mach’s Corresponding Collaborator

Among the nowadays well known and top physicists who collaborated with Ernst Mach, like Boltzmann and Einstein, there is one less known, almost forgotten – Dr. Peter Salcher, professor of physics and mechanics at i. & r. Naval Academy in Fiume (now Rijeka, Croatia). Interestingly, it was Mach's iniciative for collaboration, who sent him a letter with the proposal to make the experiment with flying bullet. That was the first of more than 150 letters written between Fiume and Prag, with description of the experimental results. Though these experiments were decisive for Mach's acouistic theory, the role os Salcher was forgotten. Subsequent to fiding the missing Mach's leters, the role of Petar Salcher in collaboration with Ernst Mach in early investigation in the gas dynamic and supersonic aerodynamic phenomena is mostly clarified. Besides this world known experiment, during his 35 years of teaching at the I&R. Naval Academy in Fiume, he was active in other fields of research, as well as in social life in the town.

Peter Salcher, Rijeka/Fiume, Club for natural sciences, acoustic experiments, Rȍntgen apparatus, meteorology, sea radioactivity

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