Originally Posted by
merlinextraligh
I'm thinking urban legend bull****. For starters, Power Meters were first commercially available in the late 80's. So I'm doubting there was a power meter being demonstrated to the public 15 years earlier in 1975.
They've had dynamometers and Prony brakes and whatnot for a long time. Whether the account is true or not, I can't say, but it doesn't imply a bicycle-mounted digital-readout power meter.