... attempts to make 13 tests of 40-41, 43-45, 46-48 Bryant, W. C, cited 39 Budlong mine, anthracite in, diagram showing ... mining at 14 graphito mine at, view in 16 Foundry facings, use of graphite for 57 Furnace linings, use of graphite for 57 0.
Title | : | Rhode Island coal |
Author | : | George Hall Ashley |
Publisher | : | - 1915 |
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