Sentence:  <WSD>Several</WSD> germanium resistors have been thermally cycled from 300 to 4.2 * * f and their resistances have been found to be reproducible within 1 3 millidegree when temperatures were derived from a vapor pressure thermometer whose tubing is jacketed through most of the liquid helium . 
Meaning of the word marked with <WSD> tags:  (used with count nouns) of an indefinite number more than 2 or 3 but not many