xii ILLUSTRATIONS
FIG. . . ' PAGE
139 PATES-CONDITIONING PLANT, SHOWING THE PAPER PASSING ROUND THE SPARRED DRUMS . ' • 324'.
140 THE MULLEN PAPER TESTER FOR TESTING THE BURSTING STRENGTH OF PAPER " 328
141 SCHOPPER-DAIEN BURSTING TESTER ' . ' . • 329
142 NEW BRITISH BURSTING TESTER, WITH LATEST TYPE DIAPHRAGM CONTROL MECHANISM ' 329
143 SCHOPPER TENSILE TESTER ARRANGED FOR ELECTRIC DRIVE _ 330
144 TENSILE STRENGTH AND STRETCH TESTING MACHINE 331
145 FOLDING TESTER 332
146 EIMENDORP TEARING TESTER 333
147 MICROMETER THICKNESS TESTER . . 334
148 WATER CLARIFICATION AND FILTRATION PLANT AT A PAPER-MILL (CAPACITY 15 MILLION GALLONS PER DAY) 343
149 BELL PRESSURE FILTER • ' 344
150 SECTION OF PRESSURE FILTER, SHOWING UNDER-DRAINING SYSTEM 345
151 TYPICAL VERTICAL WATER SOFTENER, LIME-SODA TYPE . • 346
152 CHEMICAL DRY FEEDER, FOR THE ACCURATE ADDITION OF CHEMICALS FOR WATER TREATMENT 347
153 THE ADKA PATENT SAVE-ALL . 353
154 SCOTT QUADRUPLE EFFECT EVAPORATOR FOR CAUSTIC SODA LIQUOR . 356
155 Two SCOTT ROTARY FURNACES wrra PATENT SODA GRATES 357
156 CAUSTICISERS, AND IN REAR ROTARY VACUUM FILTER 358
157 FLOW DIAGRAM OF CAUSTIC SODA RECOVERY PROCESS 359