2 ms·
The lightbulb manufacturers colluded to stop marketing based on lamplife. https://en.wikipedia.org/wiki/Phoebus_cartel https://en.wikipedia.org/wiki/Phoebus_ca
by PeachPlum 9y ago
The lightbulb manufacturers colluded to stop marketing based on lamplife.
https://en.wikipedia.org/wiki/Phoebus_cartel https://en.wikipedia.org/wiki/Phoebus_cartel