Peter Salcher

Credit:

http://pluslucis.univie.ac.at/PlusLucis/031/s22.pdf W. Gerhard Pohl: "Peter Salcher und Ernst Mach Schlierenfotografie von Überschall-Projektilen"

Krótki link:

https://www.plwiki.pl/b/97912

źródło:

Wikimedia Commons

Wymiary:

468 x 755 Pixel (283097 Bytes)

Opis:

Portrait of Peter Salcher in 1890; an Austrian photograph (1848-1928); in 1886 working for the physicist Ernst Mach first take the photographs of bullets in flight

Licencja:

Public domain