R. & J. FARQUHAR & CO.'S SEED CATALOGUE. 



179 



GREENHOUSE CONSTRUCTION.— Continued. 



HOLLY-CASTLE CIRCULATOR. 



This new invention greatly accelerates the circulation 

 in any hot-water heating system to which it may be 

 apphed. It aids the boiler and increases the heating 

 power of the pipes by driving the hot water rapidly 

 through them. 



The Circulator is built in sizes to circulate from 

 loo to 1,000 gallons per minute and can be readily 

 attached to any system. Prices on application. 



Portable Greenhouse, 8 ft. x 16 ft., erected, heated 

 and ventilated complete. $350 and upwards. 



Holly-Castle Circulator. 



Rustic Summer Houses, Arbors, Trellises, etc., 

 built to order. Write for quotations. 



Power Tree Spr^ers. Built to cover any requirement, at lowest prices. We invite correspondence. 



