Assertion: kerosene | /r/HasProperty | mixed with air
Facets:
Source sentences:
text: Although it replaced whale oil, the 1873 edition of Elements of Chemistry said, "The vapor of this substance [kerosene] mixed with air is as explosive as gunpowder.
text: I added a ref from 1873 which states, "The vapor of this substance [kerosene] mixed with air is as explosive as gunpowder.