Photograph of Jan Welzl standing in front of a house. He designed a perpetual motion machine while living in Dawson.
Caption: Welzel. The second 'e' has been crossed out in album.
Photograph of Jan Welzl standing in front of a house. He designed a perpetual motion machine while living in Dawson.
Caption: Welzel. The second 'e' has been crossed out in album.