. Florists' review [microform]. Floriculture. f^.™? ' '»? 'W?' ' , ^^' ^^ •?..'?)' IJ7T7T i^'v/'^ri:''^^ '^''.^.j,";^T^^r'.>i^ ^f^^j^-r^. «»t.^^^' fn^'^' "^ff »*gr Wr'mT^* 90 The Weekly Florists' Review. E^BBUABY t», 1912'. SNI11,LINEAWEAVER&C0. COAL iBthneite, Bltaattaoas, Coke ud Qm Oeal »^.'£... Philadelphia Greenhouse Heating. THE HIGHEST POINT. Kegarding the inquiry of H. P. S., on page 86 of The Review for January 25, we wish to state that for years we used hot water on our place, until the range got too large or the fall on our place gave out; then we installed a st
. Florists' review [microform]. Floriculture. f^.™? ' '»? 'W?' ' , ^^' ^^ •?..'?)' IJ7T7T i^'v/'^ri:''^^ '^''.^.j,";^T^^r'.>i^ ^f^^j^-r^. «»t.^^^' fn^'^' "^ff »*gr Wr'mT^* 90 The Weekly Florists' Review. E^BBUABY t», 1912'. SNI11,LINEAWEAVER&C0. COAL iBthneite, Bltaattaoas, Coke ud Qm Oeal »^.'£... Philadelphia Greenhouse Heating. THE HIGHEST POINT. Kegarding the inquiry of H. P. S., on page 86 of The Review for January 25, we wish to state that for years we used hot water on our place, until the range got too large or the fall on our place gave out; then we installed a steam plant, but at that time we had in mind, as all other greenhouse men seem to have, the idea that the highest point in a water system should be at the farther end of the main, together with the expansion tank. We gave the prob- lem a great deal of thought and always had more or less trouble with it. Later we started a plant in another town. We drew plans and arranged the high- est point of the entire system at the boiler, or as near it as possible, together with the expansion tank three feet above the highest point in the system. We did this more for experimental pur- poses than anything else. This place was started with two greenhouses 100 feet long by twenty and twenty-four feet wide, with a main and fall of one inch to every ten feet, under the ridge to the farther end; then we gave the same fall back to the boiler on the returns, this being the same grade that we use in steam heat- ing. While we know this is against the average heating expert's argument, we have never seen better results. We can heat a house at least as quickly as with steam. If the above directions are carried out on any hot water plans, the results must prove entirely satisfactory. We> had a florist friend who was all tied up, last fall, with his heating plant. We went at his request and planned the' same scheme for him. He has had no trouble since. J. L. O'Quinn & Co. CAPACITY OF MAIN
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