Assertion: steam crane | /r/CapableOf | reach their peak of development
Facets:
value: on the railroad
type: LOCATION
Source sentences:
text: Appearing about 1890, the cranes (the proper rail terminology is “Derrick”) increased in size, commensurate with the rise of steel Pullman cars, so by 1910 steam cranes reached their peak of development (on the railroad).