118 



The Weekly Florists^ Review* 



Max 16, 1912. 



may be operated by steam, electricity 

 or gasoline. The old-fashioned plunge 

 steam pump is, I believe, the most re- 

 liable, but pumps driven by the other 

 methods that I have mentioned have 

 proved satisfactory. There are several 

 advantages in heating by forced circu- 

 lation and I believe it is the method 

 which will be used in all large plants in 

 the future. In the first place, the size 

 of the pipe used for the mains and 

 heating coils can be smaller than in a 

 gravity system. The water returns to 

 the boiler at a higher temperature, 

 thereby making it possible to heat a 

 house more evenly. 



In small and medium sized plants 

 boilers constructed of cast iron are used 

 almost exclusively. A cast iron boiler 

 has many advantages over a steel tubu- 

 lar boiler. In the^rst place, cast iron 

 is not so susceptible to the chemicals 

 •contained in waterV-it does not de- 

 teriorate with rust so readily, and does 

 not require to be bricked in. Being 

 made in sections, it is easily set up or 

 taken down. The flues are large, conse- 

 quently do not get choked up as readily 

 as in a tubular boiler; the flues are also 

 easier of access in cleaning. A cast 

 iron boiler, when properly made and 

 rated, will carry a fire throughout the 

 night without attention, while a tubular 

 boiler requires, to get good results, 

 night firing. By using two cast iron 

 boilers and connecting them together, 

 one boiler may be used in mild weather, 

 thus reducing the cost of operation, 

 while in a tubular boiler it is necessary 

 to use the entire boiler. 



If the greenhouse plant is a large one, 

 say containing over 35,000 square feet 

 of glass, tubular boilers are without 

 doubt the most practical for many rea- 

 sons. Forced draft, allowing small sized 

 coal to be used, has been successfully 

 introduced in many large plants. This, 

 of course, requires power to operate the 

 blower, pumps, etc., but the saving in 

 being able to use a cheap grade of coal 

 more than offsets the cost and opera- 

 tion of the machinery. 



I am sorry that I have not more time 

 at my disposal to go into the subject 

 •of heating more fully. It is one that is 

 full of pitfalls, even to the initiated. 

 What I have said outlines the general 

 principles. The ratio of determining 

 the number of pipes to the glass sur- 

 face, capacity of boiler required, the 

 distribution of and grading of pipes, 

 size of mains, etc., should really be left 

 to a reputable greenhouse concern or a 

 heating engineer. Some growers, espe- 

 cially the beginners, consider the super- 

 structure the all-important question and 

 the heating but a minor consideration. If 

 they would only realize that' one is just 

 as important as the other there would 

 be fewer unsatisfactory heating sys- 

 tems designed and installed, their bank 

 accounts at the end of the season 

 would be considerably larger from the 

 saving of labor and coal and the larger 

 returns obtained from the sale of their 

 more perfect stock or blooms. 



East St. Louis, 111. — In a fire that 

 wrecked an adjoining building M. F. 

 Widmer's flower store suffered a loss 

 estimated between $200 and $300 May 8. 



Litchfield, HI.— R. A. McPheron, of 

 the Cottage Greenhouses, says Mothers' 

 day was the best ever. Every carnation 

 in sight sold. White had first call, but 

 when white was gone pink found a 

 ready sale. 



10 Hours Without Firing 



ev^ii-.in severely cold weather, is a common^ 

 fpCTience with those growera who use the' 



Wilks Self-Feeding Hot Water Boilen 



In the Coldest Weather Wflks Hot 

 Water Boilers Can Be Relied On 



to keep the temp^ature even and con- 

 tinuous, making night firing unnecessary. 

 Made entirely of steel; no cast iron sec- 

 tions to crack. 



You should know more about them. 

 Send for catalogue. 



S.WyksNfg.Co., 



3523 Shields Ave., 

 CHICAGO, ILL. 



Mention The BeTlew when 7oa write. 



IMICO 



Hot Water Boilers 



Made by 



ILLINOIS MALLEABLE IRON CO. 



1801-1825 Diversey Boulevard 



CHICAGO 



Are noted for coal economy and 

 a^ood resulta (generally 



nEin> FOR CATAIXIGUS 



Mention The Review when yon write. . 



BOILER FLUES 



* 



I make a specialty of handllni; carefully selected 

 Boiler Flues, 4-lnch diameter and other sizes for 

 greenhouse heating, retublng Boilers, Gutter Posta, 

 etc. These Flues are thoroughly cleaned and 

 trimmed, ready for use. Also sales agent for Stut- 

 tle's Patent Clamp for joining Flues — no paclilng, no 

 leaks. Right prices and prompt stilpment. 



H. IVKJN80N 



1405 Wells St., CliioaBO 



Telephone North 672 

 Mention The Rpview whcii voti wrltp^ 



HIGH-GRADE BOLERS 



Get Our 

 CatAlosrne 



For (GREENHOUSES 



STEAM and HOT WATER 



GiBUN s CO.. "%ss::s^^ 



Mention The ReTlew when von write. 



Ford & Kendig Co. 



"SpelleriieJ" WwBglit Pip« 



Especlallj adapted for Oreenhoase Work. Fiti 

 tings. Valves. Tools, etc. 



24tli ud WoMl StL PHILADELPHIA, PA. 



Always mention tlie norieta* Bevlew 

 trlien writicv advertisers. 



A Steady 

 Pressure 



will always 

 be main- 

 tained in 

 your steam pipes, no matter 

 how the pressure at the boiler 

 fluctuates, if you equip your 

 main lines with these valves. 

 Carry 40 or 50 pounds pressure 

 on the boiler, set the 



Hughson 

 Regulating Valve 



to carry 5 or 10 poimds on the 

 line and you will always have a 

 reserve in case of a sudden drop 

 in temperature. This valve 

 saves both fuel and worry. Ask 

 for catalogue and particulars. 



Hughson Steam Specialty Ci. 

 S021-3 S. SUte St, Ckicagt 



Mention The Review when yon writ*. 



Pl^EASE stop my ad for carnations, as 

 I was sold out quick. — ^J. W. Furst, 

 Dayton, O. 



