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Cat and Plant
De Futura Shirt
Usher 1928
Rambutan
Rotating Ethernet
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Raamat
Centrifuge Rotor
Resistors
Photomultiplier
Providence 1990
Maszyna Trurla
Standard Unit
Chitty Chatty
Hydrogen Thyratron
Tango
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GL-869B
SMS
Conqueror Worm

Hydrogen Thyratron

An Amperex 6279/5C22 Hydrogen Thyratron - an extremely high power, high speed electrical switch. This one was from the Cyclotron at Harvard.