INDEX. 325 



STEEL: 



Manufacturers' Specifications for, 45-47. 



Open-hearth, 41. 



Report of International Association, 47-49. 



Relative Merits of, 52-58. 



Rivets of, 154. 



Stand-pipes of, 5-9. 



Suitable Grades of, 61-65. 



Specifications for, 68-73, 3 O1 - 



Thickness of Plates of, 91, 166-167, 

 STRAIN-SHEETS: 



163-165, 206. 

 STRESSES: 



Compression, 79. 



Explanation of, 79, 109. 



Foundation, 139-140, 215, 233-236. 



Gravity, 109. 



Horizontal, 132-133. 



In Cylinder, 112-114, 134. 



In Cone, 114-116. 



In Circular Girder, 120-127, 207-209. 



In Joint, 117-120, 212. 



In Posts, 127-128, 213-215. 



In Segment of Sphere, 116. 



In Ring at Top of Posts, 130-132. 



In Tower, 135-139, 213-215. 



Resulting from Horizontal Thrust at Top of Posts, 128-129, 210. 



Shear, 79-80. 



Tension, 79. 



Wind, 133-139. 

 WATER-WORKS: 



Ancient, Examples, i. 



Gravity Systems, 2. 



Reservoirs for, 3, 5, 10, 162-163, 177. 



