Intentionally flawed: planned obsolescence and corporate environmental crime (Part-1)
December 1924 was a significant time during which several prominent light bulb manufacturers, including General Electric, Osram, Philips, and Compagnie des Lampes, engaged in a conspiracy to artificially shorten the lifespan of their products. The usual standard for incandescent light bulbs burning hours was reduced from 2,500 in 1924 to 1,000 by 1940.