... of an owner require that two or more boilers be used, the smallest chimney that should be used to be in accord with the ... a EC 03 9 CO Sq. Root of Gross Are Effective Area in Sq. Inche Sq. Inchei Gross Are 0.6 of Square Rc Effective Area inanbsp;...
|Title||:||A Practical Manual of Steam, Vapor and Hot Water Heatings|
|Author||:||Edward Richmond Pierce|