This is a C1166 Pulse Tetrode made by English Electric, who also made transistors. Good for switching 17 500 volts at 15 amps. But only for 1 microsecond every 1 millisecond (1T4 and AA battery for scale).
The filament alone needs almost 60 watts (9 amps at 6.3 volts).
Quite useless unless one wants to build a glowbug radar or something. But quite marvelous in a way.
Back in 1935, Charles Garrett built a carburetor that allowed a standard car engine to run on water.
I wonder what they’re going to do about these fellows making fuel from water using solar power?
I’m trying to register on the Old Mutual website.
Using a password with lower case letters and numbers:
OK, let’s up the security on the password generator and use a password with upper case and punctuation:
That’s a first.
From OMNI magazine, somewhere in the eighties. Recently rediscovered and scanned.
Playing catch up. The following two funnies from Kevin.