Assertion: acetylene | /r/HasProperty | burnt
Facets:
value: from a 000 union jet burner
type: OTHER
Source sentences:
text: When acetylene is burnt from a 000 union jet burner, at all ordinary pressures a smoky flame is obtained, but on the pressure being increased to 4 inches a magnificent flame results, free from smoke, and developing an illuminating value of 240 candles per 5 cubic feet of gas consumed.