Thre process charts showing the Process of Distillation of Shale and refining.
code: 195534
Collection code:
195534
Collection:
Description
Three process charts, only one is dated hence date given. The three charts (attached together) are: 1. Chart Showing the Process of Distillation of Shale and Refining (dated 13th December 1917) 2. Synoptic Diagram illustrating the method of manufacture employed in the Scottish Mineral Oil Industry, Second Stage: Refining of the Crude Oil.
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