crookes tube
Noun
Meaning
A vacuum tube in which the exhaustion is carried to a very high degree, with the production of a distinct class of effects; -- so called from W. Crookes who introduced it.
Source: Webster's dictionarySynonyms
Hypernyms
Examples
He built a Crookes tube (later called a "Lenard tube") with a "window" in the end made of thin aluminum, facing the cathode so the cathode rays would strike it.
The simplest and cheapest variety of sealed X-ray tube has a stationary anode (the Crookes tube ) and run with ~2 kW of electron beam power.
Taking an X-ray image with early Crookes tube apparatus, late 1800s.