Note 167 — Chapter XXIII · FATS, SOAPS, OILS AND WAXES.
Reading edition
Oils from wells or springs are technically called “petroleum oils,” those from shale, “paraffin” oils, but chemically, there is no definite distinction.
Reading edition
Oils from wells or springs are technically called “petroleum oils,” those from shale, “paraffin” oils, but chemically, there is no definite distinction.