Birger Ljungström c.1920


Autor:
NieznanyUnknown author
Credit:
Studio photo
Krótki link:
https://plwiki.pl/b/da002
źródło:
Wikimedia Commons
Wymiary:
198 x 257 Pixel (14077 Bytes)
Opis:
Birger Ljungstrom (1872-1948). Engineer inventor, known for the Ljungström steam turbine design.
Licencja:
Public domain
Komentarz do licencji:
This Swedish photograph is in the public domain in Sweden because one of the following applies:
  • The work is non-artistic (journalistic, etc.) and has been created before 1 January 1972 (SFS 1960:729, § 49a).
  • The photographer is not known, and cannot be traced, and the work has been created before 1 January 1952 (SFS 1960:729, § 44).
If the photographer died before 1952, {{PD-old-70}} should be used instead of this tag.

Więcej informacji o licencji można znaleźć tutaj. Ostatnia aktualizacja: Sat, 09 Apr 2022 18:43:40 GMT