Assertion: w light bulb | /r/CapableOf | emit about 1,700 lumens
Facets:
value: for 230 v bulbs
type: TRANSITIVE-OBJECT
Source sentences:
text: A 100 W light bulb for 120 V operation emits about 1,700 lumens, about 17 lumens/W;  for 230 V bulbs the figures are 1340 lm and 13.4 lm/W.  Incandescent lamps are relatively inexpensive to make.
text: A 100 W light bulb for 120 V operation emits about 1,700 lumens, about 17 lumens/W; for 230 V bulbs the figures are 1340 lm and 13.4 lm/W. Incandescent lamps are relatively inexpensive to make.