The need, called cow’s oil, skilled chemists learned to make out of really cow’s oil with the most diverse impurities to it – coconut, cotton, flaxseed oil, other vegetable fats and even simple bull and lamb salts... And real cow’s oil has almost completely gone out of use, because at current prices it is impossible to produce it.
From the report of Deputy S. Bubnov, made at the meeting of the Moscow City Duma in October 1898