Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 148
d after it has partly set. Each columnshould be poured for its full height in one operation and when 1919-1 THE LOCOMOTIVE, 137 beams are once started they should be entirely completed so as to leave no joints. In a dry, warm room the concrete should be wetted frequently dur-2Pip« Sleeuts ing the… … 4 ALTERNATIVE PE5IGN FOR HAhiqER Fig. 5. MATERIALS TO USE IN CONCRETE. Portland cement of an established and well-known brand is theonly kind which should be considered and care should be taken toremove any lumps which may have formed in it on account of thepresence of moisture during storage. The…
Locomotives · Steam-boiler explosions
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