Assertion: duboscq colorimeter | /r/HasProperty | invented by jules duboscq
Facets:
value: in 1870
type: TEMPORAL
Source sentences:
text: Of course, the contributions and impact of Donald Dexter Van Slyke, Stanley Benedict, and Otto Folin are prominently featured, as is the introduction of analysis by color comparison and the Duboscq colorimeter , invented by Jules Duboscq in 1870.