Page:The Amateur's Greenhouse and Conservatory.djvu/49

Rh close under the glass, and resting on the borders. The arrangement may be understood from the subjoined diagram.



The solution of a difficulty in this simple way is a matter of more than passing interest, for where it appeared impossible to employ a hot-water system it has been effectually accomplished, and a most excellent forcing-pit obtained into the bargain. It is an important exemplification of established principles that the lean-to which adjoins the boiler, and receives its pipes directly from it, obtains far less heat than the Paxtonian, which is twenty-five feet distant, and the pipes which