OOjSTTEJSTTS. 



PART I. 



PAGE 



INTRODUCTION 9 



IIo\v THE FEED-WATER TESTS WERE CONDUCTED 12 



MEASUREMENT OF THE FEED-WATER 13 



INDICATING 18 



GENERAL METHOD OF CARRYING ON THE FEED-WATER TEST .... 21 



LEAKAGE TKSTS OF VALVES AND PISTONS 23 



CALIBRATION OF INSTRUMENTS 28 



MANNER OF WORKING 1 1- THE TESTS 30 



TABLK OP 1375 39 



ni. e. p. 



PART II. 



\ i i i. -\VATKR TI>TS OF SIMPLE ENGINES .43 



FI-.I.D-WATER TESTS OF COMPOUND ENGINES 131 



FEEI~WATER TESTS OF TRIPLE EXPANSION- ENGINES . . .... 235 



SiMMun "i FI.ED \V VTEK TESTS .... 245 



REVIEW OF FEED-WATER TESTS 249 



I. CVI.INDEI: ( 'ONM.V- \ i KN VM LEVKAGE ... ... 251 



II. EFFECT OF PUESSI KE ON THE ECONOMY . . . 258 



III. EFFECT OF STEED UPON ECONOMY 259 



IV. F<\..MV OF CONDENSING 261 



V. EFFECT OF SUPERHEATING .... 265 



VI. RELATIVE K<<>NMV <F SIMPLE, COMPOUND, AND TRIPLE Ex- 



PANBIOfl KNGINES 207 



VII. KrovoMV <>F STEAM-JACKETING AND RE-HEATINC; iv COMPOUND 



EKOIHES 270 



VIII. KFFECT OF RATIO OF CYLINDER AREAS IN COMPOUND ENGINES, 273 



IX. Ml- BLLAWKOUi 274 



\" \i.\ i. MI i IN-. "... 279 



STEAM-PIPE DIAGRAMS . 321 



