Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 198
ons in Paul System. be somewhat increased in size, owing to the lower temperature ofthe steam. It is common practice to add from 20 to 30 per cent tothe sizes required for low-pressure live steam. 156 HEATL\(i AND VEXTILATIOxV 147 FORCED BLAST In a system of forced circulation by means of a fan or… … 3 3 Fig. 134. Details of Connections at Exhauster, Paul System. fected to a greater or less degree by changes in wind-pressure, andmakes it especially adapted to the ventilation and warming of largebuildings such as shops, factories, schools, churches, halls, theaters,etc., where large and definite…
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