‘experimental’ historical pictures (exact matches)

Great Panjandrum, the weapon that failed to work, World War II
Great Panjandrum, the weapon that failed to work, World War II
A canon at Cuzco, Peru, in his study, studying natural sciences while his adopted children fight
A canon at Cuzco, Peru, in his study, studying natural sciences while his adopted children fight
Morse hears the wonderful news
Morse hears the wonderful news
Edison's original incandescent electric lamp
Edison's original incandescent electric lamp
Night ascent. Royal Standard Tavern, pleasure grounds & tea gardens … H Brading, Proprietor … has, at the solicitation …
Night ascent. Royal Standard Tavern, pleasure grounds & tea gardens … H Brading, Proprietor … has, at the solicitation …
Sheet with two designs for experimental ships, ca 1650
Sheet with two designs for experimental ships, ca 1650
Batavian Society of experimental philosophy, medal honored by Pieter Curten, director of the society
Batavian Society of experimental philosophy, medal honored by Pieter Curten, director of the society
A United Nations scientist working in an experimental rice paddy in India
A United Nations scientist working in an experimental rice paddy in India