Assertion: pneumatic locomotive | /r/HasProperty | interest
Facets:
value: in the 1930s
type: TEMPORAL
Source sentences:
text: The diesel-pneumatic locomotive was of interest in the 1930s because it offered the possibility of converting existing steam locomotives to diesel operation.
text: The diesel-pneumatic locomotive was of interest in the 1930s because it offered the possibility of converting existing steam locomotives to diesel operation.