Assertion: pascal | /r/CapableOf | present the device
Facets:
value: in 1645
type: TEMPORAL
value: to the public
type: TRANSITIVE-OBJECT
value: after 50 prototypes
type: TEMPORAL
Source sentences:
text: After 50 prototypes, he presented the device to the public in 1645, dedicating it to Pierre Séguier, then chancellor of France.