cistern barometer

noun

1. a mercury barometer in which the lower mercury surface has a greater area than the upper.

Example Sentences

The barometric height must, however, be corrected for temperature, as in the cistern barometer.

From Project Gutenberg

A siphon barometer takes less mercury than a cistern barometer.

From Project Gutenberg

As I have already said, this was a standard cistern barometer, of Troughton's construction.

From Project Gutenberg