Home Workplace of telegraph operator at the Science and Technology Museum Leonardo da Vinci, Milan, Italy. Workplace of telegraph operator at the Science and Technology Museum Leonardo da Vinci, Milan, Italy.

Workplace of telegraph operator at the Science and Technology Museum Leonardo da Vinci, Milan, Italy.

Workplace of telegraph operator at the Science and Technology Museum Leonardo da Vinci, Milan, Italy.
Thomas Edison and George Eastman
Thomas Edisons first successful light bulb model, used in public demonstration at Menlo Park, December 1879.