. Florists' review [microform]. Floriculture. 22 The Weekly Florists' Review* May y, 1912. !t!!ttltftitl:^f^-^^?t!f!"^'''''Mm^;Ht:.tMtt;titti!t|H^ltfft[tltti)||tHtltl{1H^. GREENHOUSE ^^^^ CONSTRUCTION '<S'^'^^^ ^xj(g3]Q[jnoacx3sicvniTVK3anxn[npaDaK7XnDOt^3C(n(iQaoDDaQC^^ PROGRESS OF FIFTY YEARS The Earliest Houses. It is ;i loiij^ st('[) troiii llic iiiiiihci' ?-(iiiif m-ci'iilioiisc of lilty yoars :ii;o to I lio iiHKiciii, cobwi'bby stnu'tiuc of to- ? !:iy. 'I'lic oaily ^ivenliouscs \\t'io gen- ('[?ally built aj;aiiist a liiyii wall, llie wall bciii^ on the north sido. This \\as (luit
. Florists' review [microform]. Floriculture. 22 The Weekly Florists' Review* May y, 1912. !t!!ttltftitl:^f^-^^?t!f!"^'''''Mm^;Ht:.tMtt;titti!t|H^ltfft[tltti)||tHtltl{1H^. GREENHOUSE ^^^^ CONSTRUCTION '<S'^'^^^ ^xj(g3]Q[jnoacx3sicvniTVK3anxn[npaDaK7XnDOt^3C(n(iQaoDDaQC^^ PROGRESS OF FIFTY YEARS The Earliest Houses. It is ;i loiij^ st('[) troiii llic iiiiiihci' ?-(iiiif m-ci'iilioiisc of lilty yoars :ii;o to I lio iiHKiciii, cobwi'bby stnu'tiuc of to- ? !:iy. 'I'lic oaily ^ivenliouscs \\t'io gen- ('[?ally built aj;aiiist a liiyii wall, llie wall bciii^ on the north sido. This \\as (luitf a laclor in su|)i)lyiii<;: heat 'liiiiii;ht. "\'ou know how a |ii(H'o of niasoniy will absorb hoat when .xposeil to the waiinlh ol' the snn, and how warm it I't'cls i'or a lonjx tini(> after the sun has ceased to shine upon it. So these hij^h walls absorbed liie iieat and ^ave it up lo the jjreenhouse dur m^ the iii<;iit. in those days the only method of lieatinxtendin^ tiie entire lent;th ot' tile L;rec'nlu)iise, through which hi'aled air ^cnerateii by ;i t'urnace or llue heater was attempted to be car lied. This method ot' healiiiL; was not ^al islact Ol y lor the re;isoii that unless the lilies were freipiently ^oiie o\(>r and repaired Iliei(> was always the dan L;er ot tlu'ir yixiiii; out. which iiK^uit a sciious loss ol' |dants dama liollesl' and llie farthest end the coolest, which m;ide it impossible to secure an e\eii temperature throuiih nut the i^reeiihouse. 'r tins trouble w;is ox'erconii' to some estcMit i'V a hot heatiiiLi ^N^tem .a 'd liy placing; a pipe cdil inside the heatt'r .?imi coniii'it iiil; ^ame li\' m;iiiis with iieatiiiL:' coils ;it the coldest end Ol the ^^reenhoiise. finally the tiiie heater w;is abandoned eiifii'tdy ami the heatine' iici-omplislied alto^etluM' by a hot w at el iiii; apparat us. \(iw as to till- construction of the siiperstruct lire. :i liea\y w dod sill \\:is placed on top ot
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