"Graphite" Quotes from Famous Books
 ... of hard and soft coal, coke, charcoal, graphite, peat, and petroleum. Note the distinctive characteristics of each. Discuss the uses. Try to set each on fire. Note which burns with a flame when laid on the coals or placed over the spirit-lamp. Put a bit of soft coal into a small test-tube; heat and light the gas that is produced. This ...
— Ontario Teachers' Manuals: Nature Study • Ontario Ministry of Education
... a pencil from his pocket and scratched off a fine dust of graphite which he shook over the paper. Gradually the outline of a hand appeared, faint, but ...
— The Exploits of Juve - Being the Second of the Series of the "Fantmas" Detective Tales • mile Souvestre and Marcel Allain
... directly in front of the projector lens he found another of the same arrangements, but with a difference. This one was modern, and it had been painted to prevent rusting. There were traces of graphite or graphite grease where the pins went through ...
— The Blue Ghost Mystery • Harold Leland Goodwin
... of a pure fire clay, mixed with finely ground cement of oil crucibles, and a portion of black lead or graphite; some pounded coke may be mixed with the plumbago. The clay should be prepared in a similar way as for making pottery ware. The vessels, after being formed, must be slowly dried, and then properly ...
— One Thousand Secrets of Wise and Rich Men Revealed • C. A. Bogardus
... hydrogen united in certain proportions, indicated chemically by the symbol CH4. We find, in fact, that rock gas possesses a close relationship, chemically speaking, with many familiar carbon compounds, and of these latter, petroleum itself, asphaltum, coal, jet, graphite or plumbago, and even the diamond itself—which is only crystallized carbon after all—are ...
— Scientific American Supplement, No. 717, September 28, 1889 • Various
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