Assertion: milking machine's teat cup | /r/CapableOf | say pulsator
Facets:
value: at about the same level
type: OTHER
Source sentences:
text: 7 A milking machine having a pulsator having a casing and a piston reciprocating'in said caslng, four teat cups grouped around said pulsator at about the same level, and -two frames, one supported on thepulsator casing, and the other on the piston, said frames each supporting a pair lof teat cups and including brackets hinged to each other so as to swing about vertical axes.