INDEX. 
Adhesion of spikes: 
Effect of boring boles on, 58, 61, 64. 
In various kinds of wood, 57, 62. 
In Chestnut ties, 58. 
In Hemlock ties, CO. 
In While Cedar ties. 5!). 
In White Oak ties, 38, 59. 
In Yellow Pino (Long- leaved Pine) ties, 59, 
(63). 
Air, amount of, in cell-structure of various woods, 
67. 
American Society of Engineers, report of commit- 
tee on wood preservation (1885), 94. 
Analysis, chemical. (See Chemical analysis.) 
Annual charges for ties, B. E. Feruow : 
Table for computing, 107. 
Formula used for constructing tables for, 106. 
Antiseptics, (see Preservation) : 
Cost of, for preserving timber. 88, 94. 
Kinds of wood least penetrated by, 95. 
Methodsand substances used to preventwash- 
ing-out of, in timber, 85. 
Used in preserving wood, 76. 
Used to prevent destruction of timber by the 
Teredo, 94. 
Atchison, Topeka and" Santa F6 Railroad Com- 
pany, expeiiencc of, in tree planting, 26. 
Ballast, effect of, on durability of Long-leaved Pine 
ties, 47. 
Tamping of, around metal ties, 121. 
Conditions to be fulfilled by, for metal ties, 
121. 
Baltimore and Ohio Railway, when established, 
how first operated, 11. 
Barium, chloride of, (see Thilmany process of pre- 
serving wood), 85. 
Beech : 
Amount of chloride of zinc (solution) absorbed 
by, 82. 
Burnettized, life of, 82. 
Cubic inches of air in cell-structure of, 67. 
Ties, creosoted, cost and life of, 78. 
Weight of water in cubic foot of, 67. 
Weight per cubic toot, 07. 
Bichloride of mercury, (see Corrosive Sublimate.) 
Bixby, William II., report on wood-creosoto oil, 
99. 
Blue gum. plantations of, by Southern Pacific Bail- 
road Company, 27, 28. 
Affected by frost in California, 28. 
Ties and telegraph poles, durability of, 27. 
Boring holes for spikes in ties, (see adhesion of 
spikes.) 
Boston and Albany Railroad Company, 57. 
Boucherie process of preserving wood, 33, 68, 69, 83. 
Advantages of, 72, 84. 
Condition of timber necessary for applying, 95. 
Cost of treating timber by, 90, 91. 
Disadvantages of, 72, 83. 
Improvement in by changing mode of operat- 
ing, 72. 
Life of various kinds of ties treated by, 84. 
Methods and substances used to retain anti- 
septics introduced by, 85, 86, 87. 
Strength of antiseptic (copper sulphate) used 
in, 83. 
Time required to secure perfect impregnation 
by, 71. 
Bridge and trestle timber : 
Acres of forest to be annually cut for, 18. 
Amount of, consumed for new structures, 17. 
Creosoted, durability of, 78. 
Duration of, 15, 16. 
Kind of trees used for, 17. 
Kyanized, durability of, 80. 
Total amount in use, 15, 17, 
Burlington and Missouri River Railroad Company, 
forest trees planted by, 26, 29, 30. 
Burnettized timber : 
Ties, number of German Railroad Companies 
using Burnettized ties, 82, 
Value of, 33, 50. 
Burnettizing : 
Antiseptic used for, 81. 
Comparative value of the process, 94. 
Cost of establishing plant for, 89. 
Ties, cost of, 94. 
Vacuum Process, 75. 
Works established for, 82. 
California : 
Catalpa plantations in, success of, 28. 
Climate of, not favorable to growth of Ca- 
talpa, 28. 
Eucalyptus planted in, by Southern Pacific 
Railroad Company, 27. 
Carbolineum as a protection against decay of 
wood, 104. 
Carbonizing timber : 
Method of impregnating with wood-creosoto 
oil after, 103. 
Method of, to prepare for impregnating with 
wood-creosote oil, 102. 
131 
