Peat and its Uses as Fertilizer and Fuel
Chapter 6
Elsberg's Process 125 B. Condensation without Pressure 127 a. Of Earthy Peat 128 Challeton's Method, at Mennecy, France 128 " " Langenberg, Prussia 130 Roberts' " Pekin, N. Y. 132 Siemens' " Boeblingen, Wirtemberg 134 b. Condensation of Fibrous Peat--Weber's Method; Hot-drying 135 Gysser's Method and Machine 140