Assertion: circular saw | /r/HasProperty | invented in late 18th century
Facets:
Source sentences:
text: Invented in the late 18th Century, the circular saw has today found itself in most workshops and as a preferred tool in its line of operations.
text: The circular saw was invented in the late 18th century.
text: Circular saws were invented in the late 18th century and were in common use in sawmills in the United States by the middle of the 19th century.