You searched for: “ombroscopes
ombroscope (s) (noun), ombroscopes (pl)
An electrical or a mechanical device that measures precipitation by means of heated, water-sensitive surfaces: The ombroscope indicates by mechanical or electrical techniques the occurrence of precipitation.

The output of ombroscopes may be arranged to trip alarms or to record on time charts the amounts of rains.

This entry is located in the following unit: ombro-, ombr- (page 2)