oeroBis 27, 1910. 



The Weekly Florists' Review* 



83 



Morehead Return Steam Traps. 

 Reducing Valves, Ventilating Machinery 



Uobt. Ross Jmcs. 214 N. 3d SL, Narrisburg, Pa. 



MepHoD The Review when you write. 



will suffice for both flows. The return 

 fonnection with the boiler should be 

 of the same size as the flow, although 

 f'T a house ot the size described it 

 Would answer if the two 2-inch returns 

 "'ading from the coils are connected 

 f'iose to the boiler and joined with it 

 ''V a single 2-inch pipe. 



A FURNACE AND PIPE COILS. 



I am building a greenhouse, 20x40 

 ***et and five feet to the eaves, and 

 ^liould like to get some idea of how to 

 ''oat it with hot water by using a fur- 

 nace and pipe coils. I shall grow car- 

 nations and general leddiiig stock. I 



Pipe Fittings.-- Imico Boilers 



-FOR GRKKNHOUSK WORK- 



ILLINOIS MALLEABLE IRON CO. 



1801-1825 DIVKRSET BOUUEVARD CHICAGO 



Menti o n Trie Kt-vu'w wtn-ii you write. 



could run the pmoke flue back on one 

 side to save heat, but want to know 

 how to heat the other side, as the flue 

 would not be sufficient to heat the 

 whole house. I am located in the north- 

 ern part of West Virginia. G. C. H. 



While a greenhouse could be heated 

 by running a flue along one side and 

 hot water pipes on the other, this is 

 likely to be unsatisfactory and largely 

 of a temporary nature. For this reason 



it would be advisable to put in a regu- 

 lar hot water system. It is often pos- 

 sible to buy a good second-hand boiler, 

 which would be far better than a coil in 

 a heater. 



In a house 20x40 feet, to maintain 

 a temperature of 50 degrees, it would 

 only be necessary to use two 2-inch 

 flows and eight 2-inch returns. Even 

 though a smoke flue runs from the 

 boiler so as to heat one side of the 

 house, the draft would be so much de- 



