. Hardware merchandising (January-March 1908) . PLAIN ROUND. For Sale by the TRADE in Canada. Write for catalogue and samples to Jobbers and Ferdinand Dieckiann 1180-82-84 HARRISON AVI., CINCINNATI, 0., wmmmmmmmmmmmmmmmmmm 53 HARDWARE AND M ET A L Practical Talks on Warm Air Heating The Fifteenth of a Series of Articles by E. H. Roberts. As there are limitations to the prac-ticability of furnace heatings so thereare to hot water heating as , hot water heat can beadapted to almost any building and thereare central hot water plants that satis-factorily suppl
. Hardware merchandising (January-March 1908) . PLAIN ROUND. For Sale by the TRADE in Canada. Write for catalogue and samples to Jobbers and Ferdinand Dieckiann 1180-82-84 HARRISON AVI., CINCINNATI, 0., wmmmmmmmmmmmmmmmmmm 53 HARDWARE AND M ET A L Practical Talks on Warm Air Heating The Fifteenth of a Series of Articles by E. H. Roberts. As there are limitations to the prac-ticability of furnace heatings so thereare to hot water heating as , hot water heat can beadapted to almost any building and thereare central hot water plants that satis-factorily supply heat to scores of houses,but in large, high buildings the pres-sure of the water is often so great asto make it impossible to prevent theboiler and pipes from leaking. It is alsoa difficult matter to secure anything likean even temperature of the waterthrough long mains and a complexsystem of radiators without keeping thewater under a high pressure. Water boils at a temperature of 212degrees Fahrenheit and, therefore, thewater in an open tank hot water systemmust nec
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