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Inventions (1994) design type

  • Colnect-1494-074-Petroleum-lamp-invented-by-I-Lukasiewicz-1822-82.jpg
  • Colnect-1494-075-Astronomical-sighting-device-with-profile-of-Copernicus.jpg
Short desc: Inventions (1994)




Used by 2 stamps: (See all uses as list)

Poland 4/30/1994 2500z d=Petroleum lamp
Poland 4/30/1994 6000z d=Astronomical sighting device