Farther south there had been a difference in the day and night range of the barometer.
"My Attainment of the Pole"
Frederick A. Cook
The quality of craft is the barometer of the degree of the artist's response to some aspect of life.
"George Du Maurier, the Satirist of the Victorians"
T. Martin Wood
It occupies far too small a part in the whole activity of a nation, even of its intellectual activity, to serve as a complete indication of the many forces which are at work, or as an adequate moral barometer of the general moral state.
"English Literature and Society in the Eighteenth Century"
Leslie Stephen