Assertion: simple microscope | /r/HasProperty | discovered by two dutch scientists
Facets:
value: scientifically
type: MANNER
Source sentences:
text: Although scientifically, the first simple microscope was discovered by two Dutch scientists, Zaccharias Janssen and his father, Hans who made spectacles, were the first to experiment with their lenses by combining lenses in a tube and observed that the objects that were nearby, appeared closer and larger.