FARNSWORTH'S GREEN STREET LAB
IN A SIMPLE LABORATORY ON THIS SITE, 202 GREEN STREET, 
PHILO TAYLOR FARNSWORTH, U.S. PIONEER IN ELECTRONICS, 
INVENTED AND PATENTED THE FIRST OPERATIONAL ALL-
ELECTRONIC "TELEVISION SYSTEM" ON SEPTEMBER 7, 1927. THE 
21 YEAR-OLD INVENTOR AND SEVERAL DEDICATED ASSIST-
ANTS SUCCESSFULLY TRANSMITTED THE FIRST ALL-ELEC-
TRONIC TELEVISION IMAGE, THE MAJOR BREAKTHROUGH 
THAT BROUGHT THE PRACTICAL FORM OF THIS INVENTION 
TO MANKIND. FURTHER PATENTS FORMULATED HERE COVERED 
THE BASIC CONCEPTS ESSENTIAL TO MODERN TELEVISION. 
THE GENIUS OF GREEN STREET, AS HE WAS KNOWN, DIED IN 1971.
CALIFORNIA HISTORICAL LANDMARK NO. 941. 
PLAQUE PLACED BY THE STATE DEPARTMENT OF PARKS 
AND RECREATION IN COOPERATION WITH THE PHILO T. 
FARNSWORTH FOUNDATION, INC. SEPTEMBER 15, 1981
Submitted by Jon Jenkins