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Austrian inventors design type

  • Colnect-135-960-Joseph-Ressel-1793-1857-ship--s-propeller.jpg
  • Colnect-135-961-Carl-von-Ghega-1802-60-Semmeringbahn.jpg
  • Colnect-135-962-Joseph-Werndl-1831-89-weapons-technology.jpg
  • Colnect-135-963-Carl-Auer-von-Welsbach-1858-1929-gas-mantle-light.jpg
  • Colnect-135-964-Robert-von-Lieben-1873-1913-electrons-amplifier-tube.jpg
  • Colnect-135-965-Viktor-Kaplan-1876-1934-Kaplan-turbine.jpg
Short desc: Austrian inventors




Used by 6 stamps: (See all uses as list)

Austria semipostal 12/6/1936 12+12g d=Josef Ressel & screw propeller perf=12.5
Austria semipostal 12/6/1936 24+24g redvio d=Carl von Ghega 1802-60 Semmeringbahn perf=12.5
Austria semipostal 12/6/1936 30+30g redpur d=Joseph Werndl perf=12.5
Austria semipostal 12/6/1936 40+40g blblk d=Carl Auer von Welsbach perf=12.5
Austria semipostal 12/6/1936 60+60g viobl d=Robert von Lieben perf=12.5
Austria semipostal 12/6/1936 64+64g dkgrn d=Viktor Kaplan perf=12.5