754 



H K T I C t; L T F R E 



December 9, 1916 



A SLEEPLESS WATCHMAN 



ALARM TEMPERATURE CONTROLS FOR GREENHOUSE USE 



Guaranteed to Render Satisfactory Service. Your money will be returned if instianent does not prove satisfactory after a thirly days' triaf 



G. H. 4. 



$10 Each 



Oxen Hill, Md., 



Nov. 18, mifi. 

 Standard Thermometer 

 Co. 

 Gentlemen : Please 

 f'lid enclosed money or- 

 ■ liT for which please 

 send at once your 

 Standard Greenhouse 

 Thermostat No. G. H. 

 3. . The one I bought 

 last year has proved 

 to be one of the 

 best saving labor and 

 expense device, as be- 

 fore I bought It I was 

 compelled to be up 

 most every night for 

 fear of something goin« 

 wrong. 



Yours truly, 



John S. Sharper, 



Box 230. Wash., D. C. 



Your Best Friend! Plant Insurance at $7 



No. 200 



The Standard TlK-rmostat Is the best business iiartner 

 and friend you can have. It protects your growing things 

 from ruin by sudden changes In temperatures. It is in- 

 fallible, Inexpensive — more reliable than a night fireman. 



The Standard Theinontat wiU 

 Fine a bell wliinivcr yniir green- 

 house temperature rises or falls 

 to the danger point. Place the 

 bell at your bedside or anywhere 

 vou please. 



This Is a word to the wise — a 

 buy word to the wise grower. 

 Sudden temperature ups and 

 downs ruin thousands of plants 

 every year. Protect yours! In- 

 still a standard Thermostat 

 now. It costs only SIO.OO. Write 

 today. 



Was Your Watchman 

 Awake Last Night ? 



You are taking chances every 

 night with your valuable crops, 

 unless you have proof that the 

 temperature in your greenhouses 

 is kept even. 



\ silent, sure cliwk on your 

 watchman is the 1>K LUXE 

 member of the Standard Ther- 

 mometer family. 



Supply of charts, specially 

 prepared recording Ink fur- 

 nished with each Instrument. 



STANDARD 



What would happen if your night man fell asleep some 

 night in zero weather? What it you should oversleep, or 

 a cold wave hit your greenhouse when your heat is at 

 the minimum? It would mean ruin to your plants — pos 

 sibly ruin to yon. There have been many such eases. 



But not If you are equippod 

 with the STANDARD THERMO- 

 STAT. The Standard Thermo- 

 stat protects you from Just such 

 dangers. It will ring a boll at 

 your bedside when danger is 

 near. 



The Standard Thermostat is 



indlspensabu. to the np-to-date 

 grnwer. Vou know jrropnredness 

 counts. Get the .Standard today. 

 It costs only .fT.IK)— lasts a life- 

 time. W^rite for descriptive mat- 

 tor now, while you are thinking 

 .ibout it. 



Tell Tale— That's Just 

 What It Is 



The r-b;irt shows evory varla- 

 tion in temperature, however 

 slight clay and niglit. 



With the key in your pocket, 

 you may sleep, for the night 

 ni;in knows this sleepless watch- 

 man is watching him!' 



IS IT WORTH $25.(M) TO YOU 

 TO INSURE YOITR BUSINESS? 

 MOST FLORISTS THINK SOI 



THERMO CO. 



6 Clifton Street, Boston, Mass. 



