4 CONTENTS. 
Washing Tests— Continued. Page. 
General tests — Continued. 
Iowa No. 1 68 
Iowa No. 2 69 
Iowa No. 3 69 
Iowa No. 4 69 
Iowa No. 5 70 
Kentucky No. 3 70 
Kentucky No. 4 70 
Missouri No. 2 70 
West Virginia No. 2 71 
West Virginia No. 3 71 
West Virginia No. 4 71 
West Virginia No. 5 72 
West Virginia No. 9 72 
West Virginia No. 12 73 
Steam Tests, by L. P. Breckenridge 74 
Introduction 74 
Methods of conducting tests 74 
Description of the boilers 74 
Description of the steam engine and generator 75 
Coals tested 75 
Results of coal tests under the boilers 78 
Personnel 84 
Producer-Gas Tests, by Robert H. Fernald 85 
Introduction 85 
Equipment . ". 85 
Personnel 86 
Method of conducting tests 86 
Results of the tests 88 
Alabama No. 2 88 
Colorado No. 1 90 
Illinois No. 3 91 
Illinois No. 4 93 
Indiana No. 1 94 
Indiana No. 2 96 
Indian Territory No. 1 98 
Kentucky No. 3 99 
Missouri No. 2 101 
Montana No. 1 102 
North Dakota No. 2 104 
Texas No. 1 106 
Texas No. 2 107 
West Virginia No. 1 109 
West Virginia No. 4 Ill 
West Virginia No. 9 112 
West Virginia No. 12 ill 
Wyoming No. 2 115 
Summary of results 117 
Comparison of Results Obtained from Steam and Producer-Gas Tests, by 
Robert 11. Fernald and L. P. Breckenridge 118 
Steam plant 118 
Gas-producer plant 120 
