240 



The Weekly Florists Review. 



June 23, 1904. 



\ X 



HEATING. 



What would be the size of steam boiler 

 to supply 4,000 feet of 4-inch pipe iu 

 hot water heating? Would it be ad- 

 visable to use a good second-hand steam 

 boiler in this wayf Would the openings 

 necessarily have to be 4-inch? A tem- 

 perature of 60 degrees is needed and the 

 outside temperature sometimes goes 15 

 degrees below zero. A. A. 



Good second-hand steam boilers, par- 

 ticularly return tubular boilers, make 

 first-rate hot water heaters. It is not 

 absolutely necessary that the opening in 

 the boiler be four inches in order to 

 supply 4-inch pipes in a heating sys- 

 tem but if it is not the efficiency of the 

 boiler is reduced in proportion to the 

 size of the opening, by the throttling of 

 the flow through the opening. It is not 

 expensive to have the hole in the shell 

 of the boiler cut out to the proper size, 

 four inches, in this case, and have a 

 flange bolted in place into which a joint 

 of the supply pipe can be threaded, or, 

 if cast iron, a short piece of wrouglit 

 pipe can be used to make connection .-it 

 the boiler and this packed into the bell 

 of a cast section. 



To heat the 4,000 feet of 4-inch pipe 

 it will require a boiler with 600 square 

 feet of heating surface, that is, the are:i 

 of the tubes plus the area of the shell 

 exposed to the fire should aggregate 600 

 square feet of surface. A boiler ten feet 

 long, thirty inches in diameter and carry- 

 ing thirty-four or more 3-inch tubes will 

 give suflicietit heat for this length of 

 pipe provided the pipe is properly ar- 

 ranged and graded. It is impossible to 

 tell whether this will maintain a tem- 

 perature of 60 degrees in the houses with- 

 out knowing the size and exposure of the 

 houses. L. C. C. 



Aurora, III, — ^Peter Freeman has 

 torn down one of his greenhouses pre- 

 paratory to building three modern houses 

 to meet the needs of his steadily increas- 

 ing business. 



LANDS YOU AT THE GATE. 



All the most important trains of the 

 Wabash Railroad now run into St. Louis 

 by way of World's Fair Grounds, stop- 

 pmg at Wabash World's Fair Station, 

 located at the Main Entrance. The 

 Wabash is the only line that sells tickets 

 and checks baggage direct to the World's 

 Fair main gate. Excursion tickets on 

 sale daily. Very low rate coach tickets 

 sold twice a week. Write for full par- 

 ticulars, and a copy of folder containing 

 a map of St. Louis and the Fair Grounds. 

 F. A. Palmer, Asst. Gen. Pass. Agent, 

 311 Marquette Bldg., Chicago, 111. 



Iron Reservoir 



Vases 



AND 



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 Send for catalogue 

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The Ideal Reinforced Concrete Greenhouse Bench. 



CAUTION.— All parts Of this construction, the process of making it and the machines 

 used in preparing and manufacturing are under the protection of the United States Oovem- 

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CiiEAV \. Alffloct as cheap as wood. Nine different styles made to sah. 



BTSOHO \ Florists in the East and West — Send us sketch giving dimensions of your 

 DTTSABXiS \ benches and let us send plans and estimates to meet your requirements. 

 P&ACTZOA£ \ Prices, including freight, will surprise you. Bench will please you. 



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Our Catalogue will erive you many- hints, and may save you money. 



DILLON GREENHOUSE MFG. COMPANY, 



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Mention "Rie Review when you write. 



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C.W. SKINNER, TROY, OHIO. 



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YOU WILL FIND ALL THE BEST 

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 REVIEW'S CLASSIFIED ADVS..*«J« 



GREENHOISE VALVES 



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SEND FOUR CENTS FOR CATALOGUE. 



