Carbon Electric Arc Lamp
Science Photo Library
Lighthouse Electric Light
Science Photo Library
William Du Bois Duddell Frs
Sheila Terry/science Photo Library
William Du Bois Duddell Frs #1
Sheila Terry/science Photo Library
Plante Accumulator Battery
Science Photo Library
Gramme Arc Lamp Regulator
Science Photo Library
Hertha Ayrton
Sheila Terry/science Photo Library
Hertha Ayrton #1
Sheila Terry/science Photo Library
Pavel Yablochkov
Collection Abecasis/science Photo Library
Flame Spectroscopy, 19th Century
Electric Lights At Night
Science Photo Library
Werderman Electric Lamp Lighting The Paris Opera
Science Photo Library
Serrin Lamp, 19th Century
Early Electric Lamps
Sheila Terry
Yablochkov Candle, Artwork
Cci Archives
1920s Television Transmitting Apparatus
Sheila Terry
Heinrich Beck, German engineer
Science Photo Library
Pavel Yablochkov, Russian Engineer