Assertion: high speed engine | /r/HasProperty | developed
Facets:
value: during the 1890s
type: TEMPORAL
Source sentences:
text: The engine could achieve higher R.P.M. than a standard reciprocating steam engine, although high-speed steam engines were developed during the 1890s, and its low fuel and maintenance requirements, including the ability to be operated and maintained by only one person, made it ideal for small-scale power generation.