You searched for: “electric surface recording thermometer”
electric surface-recording thermometer
An instrument that measures temperatures during oil-well temperature surveying.

It has a thermocouple, resistance wire, or thermistor as the temperature-sensitive element.

This entry is located in the following units: electro-, electr-, electri- (page 14) thermo-, therm-, thermi-, -thermia, -therm, -thermal, -thermic, -thermias, -thermies, -thermous, -thermy (page 5)