. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. CRITCHLEYS PATENTHEAT REGULATOR, AN APPARATUS FOR REGULATING THE HEATIN HORTICULTURAL WB SECTON OF PATENT ROOF VEMlLATOR Illustrations, Price Lists, and Testimontih free. Hot-water Apparatus fixed In any part of theKingdom, and guaranteed. W. RICHARDSON & CO., Horticultural Builders & Hot-water Eng netDARLINGTON. A, Iron Box fitted up water-tight. d. Pipe or Supply ofWater from Boiler. c, D, Pipes for Circulating Hot-Water. E, F, Pipes for Return of Water to Iron , Pipe for Returnin
. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. CRITCHLEYS PATENTHEAT REGULATOR, AN APPARATUS FOR REGULATING THE HEATIN HORTICULTURAL WB SECTON OF PATENT ROOF VEMlLATOR Illustrations, Price Lists, and Testimontih free. Hot-water Apparatus fixed In any part of theKingdom, and guaranteed. W. RICHARDSON & CO., Horticultural Builders & Hot-water Eng netDARLINGTON. A, Iron Box fitted up water-tight. d. Pipe or Supply ofWater from Boiler. c, D, Pipes for Circulating Hot-Water. E, F, Pipes for Return of Water to Iron , Pipe for Returning Water to Boiler. H, I, J, K,Piston-Rods for Opening and Closing advantages of these Kegulators are that houses may bekept at different decrees of heat, or the circulation of waterand heat entirely stopped in one part and not in others. Theymay be filled with as many valves as required, and are par-ticularly adapted for forcing houses where top and bottomheat is used. They may be fi.\ed in any part of the apparatusmost suitable for working, without regard to the position ofthe following Testimonial has been received :— Berkeley Castle, April 13, 1875. G
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Keywords: ., bo, bookdecade1870, booksubjectgardening, booksubjecthorticulture
