398 



The Weekly Florists' Review* 



Dbcbmbeb 20, 1906. 



Greenhouse Beating. 



A HEATING RECORD. 



I have two houses, each 23x100, in 

 which I grow lettuce and general stock. 

 I keep a night temperature 50 to 52 

 degrees. They are heated with hot 

 water. There are two flows in each 

 house, along the purlins. One 3% -inch 

 pipe supplies six 2-inch pipes under the 

 outside benches and one 3-inch flow sup- 

 plying four 2-inch pipes under the in- 

 side benches. The outlet from each 

 house is separate into the boiler in 5-inch 

 pipe. I had a special boiler made to 

 order that has proved itself beyond my 

 expectations. In the winter of 1905-6 

 I used thirty-one tons of coal at $1.90 

 and ten cords of 3-foot wood worth 

 about $2.50 per cord. This I thought 

 very reasonable. The circulation is 

 perfect. Last winter in moderate 

 weather, that is, not windy an(f outside 

 temperature 20 degrees or so above zero, 

 I would leave the boiler nine hours with 

 a variation of but 3 degrees. 



Ten days ago I was called to Cleve- 

 land overnight. The outside tempera- 

 ture was 46 degrees at 2:40 p. m., when 

 I left the boiler, with a gradually sink- 

 ing mercury. There being no men about, 

 I left instructions that the boiler should 

 not be touched until next morning. My 

 wife, on my return next evening, re- 

 ported that at 7 p. m. it became quite 

 windy and by 9:30 was freezing, with 

 stormy outlook. "When she awoke at 6 

 a. m. the outside temperature was 26 

 degrees and the greenhouses were 47 de- 

 grees. I think this is a record for fif- 

 teen hours and twenty minutes without 

 attention. I would like to hear from 

 anyone who can beat it. 



S. C. Templin. 



VENT PIPE FREEZING. 



I have been having trouble with my 

 vent pipe freezing up a time or two, and 

 wish to know how to overcome it. I have 

 a 2^ -inch flow pipe with the vent on the 

 highest point. The vent is 1-inch pipe 

 and extends through the roof, but I have 

 it boxed around so it looks as if it should 

 not freeze. S. E. L. 



I know of no better way of insuring 

 the vent pipe in question against freezing 

 than to cover it with an asbestos jacket. 

 Such pipe covering can be purchased 

 ready prepared for any size of pipe. This 

 would only require adjusting to the 

 pipe. My plan of meeting this difficulty 

 would be to dispense with the vent pipe 

 altogether, place an airvalve in the sys- 

 tem at this point and connect an expan- 

 sion tank to the main return near the 

 boiler and elevate this several feet, ten 

 or more, above the highest point in the 

 system. This will give you a pressure 

 system which will provide a quicker cir- 

 culation and a greater heat, thus mak- 

 ing the system more efficient. 



L. C. C. 



ELEVATE EXPANSION TANK. 



I have a No. 3 Kroeschell hot water 

 boiler with overhead flows and under 

 bench returns, the highest point being 

 farthest from the boiler, and an open 

 tank. How high can I place the expan- 

 sion tank above the highest point? The 

 boiler is just the ordinary kind, not 

 built for high pressure. The pipe from 

 the expansion tank to the main return 



WILKS QREENHOUSE HEATERS 



The Wilks Greenhouse Heaters 

 are all Steel Self-Feeders. 

 Will run 15 hours at a time 

 w^ithout attention. 



NO NIGHT FIREMAN REQUIRED 



Can be used with either 

 HARD OR SOrr COAL. 



BEVD FOB OUB HEW OATAXiOaUS. 

 KADB BT 



S. WILKS MFG. CO. 



35th and Shields Avenue, 



CHICAGO, ILL. 



niD MOB 



Mention The Review when yoa write. 



£ liyCkllDTf 1UC*^P OF TOUR PLANTS FROM 



5 ll^^Wi^/^I^V*!- FRKBZIMGlnooldweatber 

 c may be obtained at trifllns cost If you will use a 





I LEHMAN WAGON HEATER 



I 



/^i^i^. 



■v^;^*^v;^^v 





I 



There is no danger of fire; no smoke, dirt or gases to injure 

 the plants. Tbey burn Lehman Coal, which costs lesR than 

 half a cent per hour. 49~SS0,000 Lebman Heaters are in 

 actual use wliich shows they have merit. Florists every whereuse and recommend them. 



HAVE TOU ONE ? BEWARE OF IMITATIONS I Write for circular telling more 



about them today. 



LEHMAN BROS. 



10 Bond Street. NEW YORK *5 E. Congrew St., CHICAGO, ILL. 



Mention The Review when you write, 



J. W. ERRINGER, General Western Sales Agt. 



i 



I 



DO TOU KNOW ABOUT THE 



Martin Rocking Grate 



IT SAVES COAL 



MARTIN GRATE GO. 'c»cr^"- 



Mention The Review when you write. 



is 1%-inch and connects with the return 

 to the boiler, which is 4-inch. The boiler 

 is six feet under the floor level. Is the 

 expansion pipe in the right place and 

 is the size of pipe all right! The boiler 

 heats about 8,000 square feet of glass. 

 At present the tank is only about five 

 feet above the highest point and is en- 

 closed on top of the shed over the boiler. 



F. W. H. 



The boiler you have will easily stand 

 fifteen or twenty pounds pressure. In 

 order to make fifteen pounds pressure on 

 the boiler it would be necessary to have 

 the expansion tank raised thirty-three 

 feet. This is probably not practicable, 

 but you can undoubtedly elevate it ten 

 or twelve feet higher without great in- 

 convenience or expense. This will help 

 to maintain a considerably higher heat 

 on the system. While I do not think 

 the point at which the expansion tank 

 pipe is taken ofif the ideal one, yet I 



NOTICE 



To all American Nurserymen and Seedsmen 

 desiring to keep in touch with commercial horti- 

 culture in P^ngland and the Continent of Europe. 

 Your best means of doing this is to take in the 



Horticultural Advertiser 



Our circulation covers the whole trade in Great 

 Britain and the cream of the European firms. 



Impartial reports of all novelties, etc. Paper 

 free on receipt of 75 cents, covering; cost of post- 

 age yearly. 



A. ft C. PEARSON 



Lowdham, Notting^ham, England 



Mention The Review when yon write. 



do not know that it would be enough 

 better in the ideal place to justify the 

 change. The ideal place is on the main 

 return within eight or ten inches of the 

 boiler. The size of the pipe is greater 

 than is necessary. A %-inch pipe would 

 be large enough, although the greater 

 size is no disadvantage. The incline in 

 the pipe makes no difference. The per- 

 pendicular height is the all-important 

 point and it makes no difference whether 

 the tank is directly over the boiler or at 

 one side as you have it. L. C. C. 



ToPEKA, Kan. — Mrs. J. E. Lord has 

 arranged a new flower room at her store 

 at 112 West Eighth avenue. It is a 

 tastefully arranged reception room, deco- 

 rated with palms, ferns and blooming 

 plants. 



