Heat energy and fuels: pyrometry, combustion, analysis of fuels and manufacture of charcoal, coke and fuel gases. Translated by Oskar Nagel (1908)
Jüptner von Jonstorff, Hanns, Freiherr, 1853- · New York McGraw · leaf 212
Fig 33 — Sla\ic Pile. … Fig. 34. — Italian Pile. CHARCOAL 203 the pile. Such damage to the pile has to be repaired instantly.Tliis first period of charring lasts from 18 to 24 hours. Meanwhile the center shaft is burned out and pieces of woodhave to be filled in again and again until the period of sweatingis over. The…
Fuel · Heat
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