Petroleum, Vol. 2: A Treatise on the Geographical Distribution and Geological Occurrence of Petroleum and Natural Gas, the Physical and Chemical Properties, Production and Refining of Petroleum and Ozokerite, the Characters and Uses, Testing, Tranposrt, a

Excerpt from Petroleum, Vol. 2: A Treatise on the Geographical Distribution and Geological Occurrence of Petroleum and Natural Gas, the Physical and Chemical Properties, Production and Refining of Petroleum and Ozokerite, the Characters and Uses, Testing, Tranposrt, and Storage of Petro

The cheese-box still (fig. 101) had a cylindrical body, connected by means Of three vertical pipes with a vapour-chest furnished with a large number, frequently as many as forty, of 3-inch discharge-pipes arranged in parallel lines. Steam was usually admitted into the discharge-pipes to mingle with the oil-vapour. The still had a dome-shaped top Of iron plate, and a double curved, steel-plate bottom. Its capacity was about double that Of the cylinder still, and it measured 30 feet in diameter by 9 feet in depth. It was set over a furnace on a series Of brick arches, as shown in the figure.

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