102 



The Florists' Review 



jANtlATJV 28, IftlS. 



H. H. lINEAWEAVBt & CO., Inc. 



BITUMINOUS ^#^##%l^ 



WMt End Trust Buildinc. PHILADELPHIA 



1 Broadway, NEW YORK 



Vnttinc BuildinR. LEBANON. PA, 



Mention Tba ReTlevr when fou write. 



Greenhouse Heating. 



All coal men agree on one thing and 

 that is that collections are abnormally 

 slow. Concerns that under ordinary cir- 

 cumstances would not think of taking 

 more than thirty days at the outside now 

 calmly take sixty and ninety days' time 

 without even offering an apology. "My 

 trade won't pay me and I can't pay 

 you" seems to be the slogan that has 



become almost 

 Diamond. 



universal. — The Black 



THE BOILEB IN THE CENTER. 



J should be ])lease(l to have you give 

 me some advice in regard to the heat- 

 ing of my greenhouses. 1 have one 

 house 30x84, with solid walls four feet 

 high. It is thirteen feet high to the 

 ridge and is even-span, running east 

 and west. I wish to grow carnations 

 in this house, except about twenty-five 

 feet at the west end, in which I wish to 

 grow roses. This space is sepaiJited 

 from the carnation end by a glass par- 

 tition. Connected to the south side of 

 the greenhouse, and midway between 

 the two ends of it, there is a small 

 storeroom. 



T wish to put up two lettuce houses, 

 each 10x84, with 2-foot walls and a 

 height of five feet to the ridge. Owing 

 to the way I am situated, I shall be 

 obliged to place the boiler in the store- 

 room, in the center of thf lettuce 

 liouses, thus really making four houses 

 instead of two. Do you think I can 

 heat the houses satisfactorily by placing 

 the boiler there? The boiler is an 

 upright 36-inch shell, six and one-half 

 feet high, and has two 4-inch openings 

 for flows and the same for returns. I 

 shall place the boiler in a pit. T am 

 located in West Virginia. 11. E. H. 



As the boiler is to be located prac- 

 tically in the middle of the houses, it 

 really becomes a question of the piping 

 required for heating six houses forty- 

 two feet long to .50 degrees. 



One 4-inch main flow pipe will be suf- 

 ficient to heat both ends of the ."JO-foot 

 hf/use and the other 4-in(h main may 

 bo used for the 10 foot houses. One 

 of the mains should be carried into 

 the center of the 30-foot house and 

 fiom it six 21/,-inch flow pipes should be 

 taken off. Three sliould run in each 

 direction to the ends of the house, one 

 flow being under tiie ridge and the 

 others on the plates. Connect each of 

 the flow pipes with three 2-inch re- 

 turns and carry these back to the 

 middle of the house and join them to 

 n 4-inch main return pipe to carry the 

 water back to the ])oiler. 



For each end of the 10-foot houses 

 run a 2'/L>-inch flow pipe to the ends 

 and there connect each of these flow 

 pipes with fonr IVj-inch returns. 



THE MAIN IS TOO SMALL. 



A! out a year ago we asked for your 

 advice in regard to the heating of our 



WHEN YOU BUY, GET A KROESCHELL 



Hot Water and Steam 



THE BOILER OF GENUINE EFFICIENCY 



No. 21— The Baby 



OUR BUSINESS is to manufacture boilers of every dascrip- 

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Since 1879 we have been continuously engaged in the manu- 

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We cordially invite you to let us know your requirements, 

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If w^e succeed in leadlne you to conaider and eventuallv to 

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KROESCHELL BROS. CO., ***c'S,'SLT,:!:"' 



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