Assertion: plate glass | /r/AtLocation | 17th century
Facets:
value: in france
type: LOCATION
Source sentences:
text: Plate glass was first made in the 17th century in France, after which several improvements in the original batch technique culminated in the Bicheroux process (1918), in which the glass was received by power-driven rollers that then delivered it in thinner sheets of greater length to be sheared into sections and annealed (heated, then cooled, to make it less brittle).