'He once said, "I have constructed 3,000 different theories in connection with the electric light"'
Edison
19th CENTURY QUOTATIONS: He once said, I have constructed 3,000 different theories in connection with the electric light
He once said, "I have constructed 3,000 different theories in connection with the electric light"
He once said, "I have constructed 3,000 different theories in connection with the electric light"
19th CENTURY QUOTATIONS
Edison
19th CENTURY QUOTATIONS