Assertion: stethoscope | /r/MadeOf | gum elastic tubes
Facets:
value: partly
type: DEGREE
Source sentences:
text: In 1841 Marc-Hector Landouzy of Paris introduced a stethoscope made partly of gum elastic tubes; this proto-type
text: In 1841 Marc-Hector Landouzy of Paris introduced a stethoscope made partly of gum elastic tubes; this proto-type was improved slightly in 1851 by Arthur Leared of Dublin.