90 



The Florists' Review 



Jolt 16, 1914. 



agus, and the balance in pot and bed- 

 ding stock, including a few palms and 

 orchids. Will it be necessary to put 

 in partitions or can I pipe so the tem- 

 perature will be all right? Please 

 state the number and size of pipes for 

 each section; also how to connect 

 them to the boiler; I mean by this, 

 how high or how low. In what part 

 of the shed would you place the boiler? 

 Will it be necessary to use a return 

 trap? Can I run a pipe from the boiler 

 underground and heat the dwelling 

 house, which will require 250 feet of 

 radiation? How should this pipe be 

 protected? The land is nearly level; 

 how can I return the water without 

 using a trap? 



What size of glass is the most eco- 

 nomical? Some say there are sizes 

 which have fifty-one square feet, while 

 others have only forty-nine. Is this 

 correct? We have no hail or heavy 

 snow, and while others use single- 

 strength B, I intend to use double- 

 strength A. I had thought of using 

 18x20, leaving eighteen inches between 

 the rafters. What would you advise? 

 How shall I fasten the glass in? I 

 know you will say, "Look over our 

 advertising columns," but as yet I am 

 not satisfied with any of them. They 

 all seem to crack glass, work loose, or 

 let it slip down. How many gallons 

 of putty will be needed for these 

 houses? There will be seven feet of 

 glass in the west end and about three 

 feet of glass in the south side; the 

 rest will be lumber, north and east 

 walls all lumber. 



Our prevailing wind is southeast and 

 one row of ventilation seems ample. 

 Shall I put it all on one side of the 

 ridge or some on each side? How 

 many men would you consider ample 

 to keep this size of house in good 

 shape, growing the line of stock 

 named? A. W. 0. 



While I would prefer four 125-foot 

 houses to two 250-foot ones if no 

 others were to be erected, under the 

 conditions described I would build the 

 houses 250 feet long. The main flow 

 pipe should run through the boiler 

 house and workroom, along the ends of 

 the greenhouses, and a main flow pipe 

 should be taken ofl^ for each house. 

 This should be 3-inch for a 25-foot rose 

 house. A fifty horse-power boiler 

 would probably answer for the six 

 houses in the climate of Washington 

 state. 



The rose house should be partitioned 

 off from the carnation house, at least 

 above the benches. In the carnation 

 house use a 2i^-inch overhead flow 

 pipe and eight 1^4 -inch returns. In 

 the rose house use a 3-inch overhead 

 flow pipe and nine or ten returns. The 

 returns should be a foot below the 

 bottom of the benches and the flows 

 two feet below the ridge, with a slight 

 fall. The boiler should be about at 

 the center of the ends of the row of 

 houses, if convenient, or it may be 

 at one corner of the range. From the 

 description given, it seems evident that 

 it will be necessary to use either a 

 steam trap or a steam pump to return 

 the water to the boiler. 



A heating pipe can be carried under- 

 ground to the residence. It should be 

 wrapped in asbestos packing and 

 either carried in a cement conduit or 

 run through sewer pipe. 



While a cheaper grade of glass might 

 be used, the grade and size mentioned 

 will be quite satisfactory. Bed the 



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