Xli LIST OF ILLUSTRATIONS. 



FIG. PAGE 



24. A Small Size Washing Machine 121 



25. Breaking-up and Creping Machines 122 



26. Plan of Factory for Washing, Drying, and Blocking Rubber, 



Driven by a Semi-Portable Steam Engine - 124 



27. Plan of Factory for Washing, Drying, and Blocking Rubber, 



driven Electrically 125 



28. Plan of Dr Olsson-Seffer's Patent System of Washing, Pressing, 



and Drying Rubber -126 



29. The " Da Costa " Patent System of Rubber Coagulation - - 131 



30. The " Passburg" Vacuum Drier - 139 



31. The "Scott" Patent Drying Stove - 141 



32. Messrs David Bridge & Co.'s Complete Vacuum Drying Plant for 



Rubber, &c. - 143 



