 From this description it appears that only two of the important products of petroleum are regularly obtained directly from the first distillation; these are the illuminating oils and the cylinder stock, and both of these have to receive additional treatment...  The Story of Oil - Page 125by Walter Sheldon Tower - 1909 - 270 pagesFull view - About this book
 | Homer Andrew Watt - 1917 - 456 pages
...to the crystallized form ready for the hydraulic presses which convert it into cakes for shipment. From this description it appears that only two of...products are the result of a second distillation and of chemical manipulations. The percentage of the different products obtained by refining varies immensely,... | |
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