Assertion: colossus | /r/CapableOf | use photomultiplier
Facets:
Source sentences:
text: It used vacuum tubes, thyratrons and photomultipliers.
text: Colossus used state-of-the-art vacuum tubes (thermionic valves), thyratrons and photomultipliers to optically read a paper tape and then applied a programmable logical function to every character, counting how often this function returned "true".