a website collaboration between Science Service and the Smithsonian Institution

1928 - this and similar devices are the brain cells of all modern electric robots

SEVEN-INCH PHOTO-ELECTRIC TUBE

E&MP 94.011

Photo Electric Cells

February 3,1928

Photo-electric cell of a widely used type.

This and similar devices are the "brain cells" of all modern electric robots.

PHOTO 452383 E-339



Original Caption by Science Service
© GE Publicity Department



National Museum of American History

Home

Search - Site Map - Subjects to Choose From - Numbering Format

Credits - Copyright - Comments