The Story of a Piece of Coal - What It Is, Whence It Comes, and Whither It Goes by Edward A. Martin
page 3 of 147 (02%)
page 3 of 147 (02%)
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IV. THE COAL-MINE AND ITS DANGERS V. EARLY HISTORY--ITS USE AND ITS ABUSE VI. HOW GAS IS MADE--ILLUMINATING OILS AND BYE-PRODUCTS VII. THE COAL SUPPLIES OF THE WORLD VIII. THE COAL-TAR COLOURS CHART SHEWING THE PRODUCTS OF COAL GENERAL INDEX LIST OF ILLUSTRATIONS. FIG. 1. _Stigmaria_ " 2. _Annularia radiata_ " 3. _Rhacopteris inaequilatera_ " 4. Frond of _Pecopteris_ " 5. _Pecopteris Serlii_ " 6. _Sphenopteris affinis_ " 7. _Catamites Suckowii_ " 8. _Calamocladus grandis_ " 9. _Asterophyllites foliosa_ " 10. _Spenophyllum cuneifolium_ " 11. Cast of _Lepidodendron_ |
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