DYNAMOMETERS
Noun
dynamometers
plural of dynamometer
Source: Wiktionary
DYNAMOMETER
Dy`na*mom"e*ter, n. Etym: [Cf. F. dynamomètre. See Dynameter.]
Definition: An apparatus for measuring force or power; especially, muscular
effort of men or animals, or the power developed by a motor, or that
required to operate machinery.
Note: It usually embodies a spring to be compressed or weight to be
sustained by the force applied, combined with an index, or automatic
recorder, to show the work performed.
Source: Webster’s Unabridged Dictionary 1913 Edition