a thermometer which measures temperature by the expansion of a column of air.

(a) a thermometer consisting of a graduated glass tube filled with water (rather than mercury, alcohol, etc.); (b) a thermometer used to measure the…

a thermometer in which the change of volume or pressure of a column of gas is used to measure temperature.

A thermometer for measuring temperatures in the earth's crust. Now rare.

James Pollard Espy's name for: an instrument for compressing and expanding moist air, used to study the formation of clouds.

(see quots.).

a thermometer that makes use of the effect of temperature on the electrical resistance of a wire or thin film (usually of platinum).

a mercury thermometer which records the temperature when inverted and retains its reading until its orientation is restored, typically used to…

An instrument for indicating temperatures measured at another location; a thermometer that receives or transmits measurements using telemetry (tele…

A thermoelectric device for measuring temperature, consisting of two different metals joined at a point so that the junction develops a voltage…

an instrument for indicating temperature electrically, as a thermopile.

a sensitive thermometer in which the thermometric substance is the saturated vapour of some volatile liquid supporting a column of mercury.

An instrument for measuring the boiling points of liquids.