Wheel barometer

a barometer with recurved tube, and a float, from which a cord passes over a pulley and moves an index.
(Physics) See under Barometer.

See also: Barometer, Wheel

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Spill the mercury from a stick or wheel barometer and it is rendered useless, which is why such instruments should always be carried upright.
Regency wheel barometers had cases usually veneered in rosewood, sometimes cross-banded in different coloured wood and inlaid with brass or mother-of-pearl.
In the late 18th and early 19th centuries the manufacture of barometers and other scientific instruments, especially for instruments for use in the shipping industry, boomed in both Liverpool and Manchester - there were mercury wheel barometers, stick barometers and Fortin barometers.