barretter

listen to the pronunciation of barretter
Английский Язык - Английский Язык
A ballast resistor
The original form consisted of an extremely fine platinum wire loop attached to terminals and inclosed in a small glass or silver bulb
A thermal cymoscope which operates by increased resistance when subjected to the influence of electric waves
In a later variety, called the liquid barretter, wire is replace by a column of liquid in a very fine capillary tube
barretter
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