Images Vidéos
Electrical medical lamp,1869
11866272 - Electrical medical lamp,1869
Electric spark,positive pole
11904696 - Electric spark,positive pole
Gaston Plante,French physicist
11830606 - Gaston Plante,French physicist
Early electric train
11904100 - Early electric train
19th-century lightship
11898822 - 19th-century lightship
Early electric motor,1834
11904698 - Early electric motor,1834
Holland submarine,New York,1890s
11904380 - Holland submarine,New York,1890s
Early electric train
11904101 - Early electric train
John Daniell,English chemist
11828246 - John Daniell,English chemist
Electrostatic generators,1900
11904705 - Electrostatic generators,1900
Electric lights for fishing,1900
11904702 - Electric lights for fishing,1900
Early electric tram
11904103 - Early electric tram
Early electric lamps
11904697 - Early electric lamps
Electric spark,negative pole
11904695 - Electric spark,negative pole
Electric spark,negative pole
11904693 - Electric spark,negative pole
Electrical sewing machine,1900
11905493 - Electrical sewing machine,1900
Morse telegraph key
11904518 - Morse telegraph key
Andre-Marie Ampere,French physicist
11827163 - Andre-Marie Ampere,French physicist
Electrical appliances,1900
11904700 - Electrical appliances,1900
Electrotherapy,1900
11866936 - Electrotherapy,1900
Wilhelm Konrad Roentgen,German physicist
11830814 - Wilhelm Konrad Roentgen,German physicist
Electrical heater,1900
11904701 - Electrical heater,1900
Early electric tram
11904102 - Early electric tram
Ball lightning kills Richmann,1753
11830813 - Ball lightning kills Richmann,1753
X-ray viewing machine,1895
11904615 - X-ray viewing machine,1895
Georg Simon Ohm,German physicist
11830365 - Georg Simon Ohm,German physicist
Early electric taxi cab
11904104 - Early electric taxi cab
X-ray security machine,1900
11904616 - X-ray security machine,1900
Military telephone,1900
11904581 - Military telephone,1900
Early fire brigade street alarm
11904577 - Early fire brigade street alarm
Dalibard's lightning experiment,1752
11828244 - Dalibard's lightning experiment,1752
Electric spark,positive pole
11904694 - Electric spark,positive pole
Morse telegraph stations
11904519 - Morse telegraph stations
Werner Siemens,German engineer
11831136 - Werner Siemens,German engineer
Carbon arc welding,1900
11904699 - Carbon arc welding,1900
Early fire brigade street alarm
11904578 - Early fire brigade street alarm
Early submarine
11904374 - Early submarine
Franklin's lightning experiment,1752
11828662 - Franklin's lightning experiment,1752