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The playbook of metals : including personal narratives of visits to coal, lead, copper, and tin mines; with a large number of interesting experiments relating to alchemy and the chemistry of fifty metallic elements
- 1862
Geared towards young readers, The playbook of metals is an informative and entertaining volume on all aspects of the history, mining, smelting, and metallurgy of the metals then known. The author, John Henry Pepper…
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Figure 4. Illustration of Drift Theory
- 1862
Illustration of Drift Theory, a geological theory used to explain the formation of coal deposits. The figure illustrates how sediments including shale, limestone, sandstone, and coal travel from different directions to…