190 HORTICULTURE August IS. 190G 



I A Friend to Greenhouse Men 



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THE HOLLY CASTLE CIRCULATOR ^ 



g No longi arguments, involved tKeories or bewildering jg| 



fig'ures needed to demonstrate its merits. ^ 



/# MAKES the Boiler Work | 



It MAKES the Water Circulate I 



See it at The Dayton Exhibition where it « 



will be shown in operation. <^ ^ If you can- ^ 



not go to Dayton^ write for information ^ 



concerning it for it pays for itself in ^ 



SAVING OF COAL ^ ^ ^ ^ ^ i 



KH 



HOLLY CASTLE COMPANY f 



I70 SUMMER ST., BOSTON | 



