Abstract

A survey has been made of the properties of certain resistors (manufactured by the Allen-Bradley Company) under hydrostatic pressure up to 11 kilobars at 295, 77, and 4.2 K. It is found that the resistance of the resistors (nominal value 220 Ω) decreases markedly with pressure and they may provide very sensitive pressure gauges. The reproducibility during a single pressure cycle is completely satisfactory, although the resistors show hysteresis effects when the pressure is removed.

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