78 



The Weekly Florists^ Review* 



T-T-"mr»<r' Tr'"^'^'tr'''^7"'- ,»■»''» will* VT:«a(iii|i|i|ijfi»i_i,iw^ 



January 19, 1911. 



ONTGOMERY COUNTY COAL CO. 



OOAL or MIIIIT 



FISHER BTJILMNO, CHICAGO 



Mention The Review when you write. 



SMITH, LINEAWEAVER& CO. 



C OA L 



Aiitliracit«t BltnmlnonB, Coke and Gas Coal 



Tru^;*l.*u^S?ni., Philadelphia 



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Greenhouse Heating. 



CONNECTING A QENEEATOE. 



I should like to ask which is the bet- 

 ter way to connect a Honeywell genera- 

 tor, on the flow or on the return. 



I have in my heating system one 

 3-inch pipe to the far end of the house. 

 The highest point of this pipe is five 

 feet higher than the top of the boiler. 

 This is near the boiler, and it drops at 

 the rate of eight inches in twenty feet. 

 At the far end of the house there is a 

 3-inch pipe across the house, which 

 divides into four 2-inch pipes, each 

 feeding five 2-inch returns. These re- 

 turns drop fourteen inches in each 

 twenty feet and feed into a 2^-inch 

 pipe to the boiler. The generator is on 

 the highest point of the flow pipe and 

 the expansion tank is over the genera- 

 tor. I get plenty of heat in the coldest 

 weather, but think it takes too much 

 coal. G. H. 



For a system arranged as described, it 

 will be better to have the generator 

 upon the flow pipe rather than attached 

 to the return. Provided the piping is 

 properly adjusted to the size of the 

 house and is correctly arranged, it will 

 be found, whether a generator is used 

 or not, that the fuel consumed will be 

 nearly in proportion to the heat ob- 

 tained. 



EQUALIZING THE TEMPEEATUEE. 



I have two even-span greenhouses, 

 running north and south and parallel. 

 One house is 30x130 and eighteen feet 

 to the ridge; the other is 10x130 and 

 ten feet to the ridge. They are sepa- 

 rated by a partition six feet high, four 

 feet of which is cement and the upper 

 two feet glass. 



In the large house the night tempera- 

 ture is 54 degrees; in the small house, 

 44 degrees. I should like to have the 

 temperature as nearly even in both 

 houses as possible and wish to ask. 

 whether, if I remove the two feet of 

 glass from the partition, I can raise 

 the temperature in the small house 

 without putting in more pipe? H. S. 



The removal of the glass in the par- 

 tition wall would have a slight effect 

 toward equalizing the temperature in 

 the two houses when the wind is favora- 

 ble, but with little or no motion of the 

 air the result would be hardly noticea- 

 ble and the change would be along the 

 wall only. In the case of a strong wind 

 from the side of the small house, in- 

 stead of the temperature being equal- 



SEND FOR 



Free Instruction Book 



This book tells how to make 

 permanent repairs to boilers, 

 tanks, piping, etc., and how 

 to make greenhouse iron pipe 

 joints, using the well-known 

 Smooth-On iron cements. 

 Every florist should have a 

 copy at once. 



Smooth-On Mfg. Co. 



JERSEY CITY, N. J. 



CHICAGO WABEH0C8E. 231 N. Jefferson St. 

 SAN FBANCISCO WABEHOCSE. 94 Market St. 



Mention The Review when you writ.. 



AUTOMATIC EUaRIC 

 CONDENSATION PUMP 



Chicago Pump Co.'s 



Saves 20?'» to 50r° Coal 



Pulls water and air out of the heating 

 system. Pulls hot steam through the piping 

 and pumps the water into boiler at the samo 

 time. Works on high or low pressure plants, 

 easily inKtalled, requirei uo attention, costs 

 little to operate. 



Write now for full descriptive catalogue. 



CHICAGO PUMP CO. 



1059 Fulton St., CHICAGO, ILL. 



Mention The Review when you write. 



Harrlsburg- Franklin Coal Co. 



1216 FISHER BLD6., CHICAGO 



The Better Grades ONLY of 



INDIANA AND ILLINOIS COALS 



Preparation and Quality as tbey should be. Write to-day for Prices* 



Mention The Review when you write. 



Ford & Kendig Co. 



"Spellerized" Wrought Pipe 



Bspeclally adapted for Greenhouse Work, 

 Fittings, Valves, Tools, etc. 



1428-30-32 Callowhill St . PHILADELPHIA, PA. 



ized the tendency might be to make 

 that house actually colder than with 

 the partition in place, as the cold air 

 might gain entrance into the house and 



HIGH-GRADE BOILERS 



^l^o^i^e Per GREENHOUSES 



STEAM and HOT WATER 



GIBLIN & CO., Utica, N.Y. 



force the warmer air which it contains 

 into the other house, thus leaving the 

 temperature of both houses lower than 

 it would have been had there been no 



