Strength of cement, tensile, 



100, 110, 120. 

 Stirrups, bending, 35. 

 Surface, top, 57 Finish, 72. 

 Sulphuric acid in cement, 4 



Table of linear measure, 73. 



Telephones, 73. 



Temporary closet, 73. 



Tensile strength of cement, 109, 

 110, 120. 



Testing materials, methods rec- 

 ommended by the Ajner. Soc., 

 110. 



Tests for good sand, 4, 5, 78. 



Test used in sand in Philadel- 

 phia laboratory, 5 Pieces, 89. 



Thickness of horizontal boards 

 in wall centering, (table) 29. 



Tools and material, shipping, 



Tooled surface, 92. 



Tools, borrowing, 59 Brand- 

 ing, 60 Repairing and clean- 

 ing by steady men, 71. 



Top finish, 89 Surface, 57. 



Tower, hoisting. 53. 



Trades, precautions for work 

 of, 69 -Co-operation between, 

 61. 



Trap as an aggregate, 5. 



Truck for removing forms, 24. 



127 



Typical analysis of cements, 

 (tabl) 90 Reinforced con- 

 crete girder, 40. 



Voids, determination of percent- 

 age of, 42. 



Wall centering, 26 Centering, 

 bracing, poor practice, 27 

 Centering, thickness of hori- 

 zontal boards, (table) 29 

 Centering, hand hole in, 27 

 Centering, use of bolts in, 

 27 Centering, use of steel 

 straps in place of wire, 27 

 Reinforcement, 35 Ties, 73. 



Washing aggregate, 73. 



Water barrels, 64 Concrete in 

 running, 57 In mortars of 

 normal consistency, per cent 

 of, (table) 111 For boiler 

 needed, 64 For concrete, 84. 



Waterproofing, 74. 



Weight of cast iron, 74 Of 

 materials, 74. 



Weights of merchandise on 

 floors, (table) 104, 105, 106. 



Wet floors, 57. 



Wheelbarrow measurements, 50. 



Wire and sheet metal gauges, 

 (table) 98, 99. 



