Assertion: single revolution clutch | /r/HasProperty | developed in 19th century
Facets:
Source sentences:
text: Single-revolution clutches were developed in the 19th century to power machinery such as shears or presses where a single pull of the operating lever or (later) press of a button would trip the mechanism, engaging the clutch between the power source and the machine's crankshaft for exactly one revolution before disengaging the clutch.