> > LEDs themselves weren't all that much more costly than the typical pilot > lamp. I recall sending $1 cash to Montsanto and receiving 2 red (was > there any other color?) LEDs in return in 1969.
Is there a good reason why filament lamps were used on minicomputer front panels until the mid 1970s? Things like the PDP11/45, Philips P850, etc all used filament bulbs, not LEDs. -tony
