Assertion: electronic stethoscope | /r/CapableOf | become available
Facets:
value: as early as the 1890s
type: TEMPORAL
Source sentences:
text: The first electronic stethoscopes became available as early as the 1890s; by 1902, Albert Abrams developed a truly useable one.
text: The first electronic stethoscopes became available as early as the 1890s; by 1902, Albert Abrams developed a truly useable one.