Chicago : Engineering and Contracting Pub. Co. · leaf 142
goodquality, re-melted in a cupola or air furnace,and of such character as to make the metalcf the castings strong, tough and of sound,even grain, and such as will satisfactorily beardrilling, chipping and cutting. It shall pos-sess a tensile strength of not less than 18,000lbs. per sq. in. Test… … Wrought Iron % rcu^d ^ Riveted Secti-on B-£JFig. 48—Large Valve Chamber Cover, Details. ■ Riveted Handle Weight and Dimensions.—The weight anddimensions of pipe shall be as follows: No pipe shall vary more than 4 per centeither way from the above specified weight.The weights of all pipes shall be…
Buildings
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