George Inman later teamed with General Electric to create a practical one, sold in 1938 and patented in 1941. Circular and U-shaped lamps were devised to reduce the length of fluorescent light fixtures. The first fluorescent bulb and fixture were displayed to the general public at the 1939 New York World's Fair. The spiral tube was invented in 1976 by Edward E. Hammer, an engineer with General Electric, in response to the 1973 oil crisis. The design met its goals, and it would have cost GE only about US$25 million to build new factories to produce them, but the invention was shelved. What ?
A-CFL
No comments:
Post a Comment