. Journal of horticulture, cottage gardener and country gentlemen . conveyed to the water, only just sufficient to take away ihgsmoke being allowed to escape. Any length of flue can beadded, or the boiler can be worked without any flue at all; andas the glass houses or buildings are extended so can heatingpower be added. It requires no brickwork beyond its founda-tion to form the ash-pit, and a wall round, as in almost allstoke-holes, to form a frontage; the latter can, however, bedispensed with. There are no dead-plates, solid bars, or bricksin this, as in most other boilers, to burn and crac


. Journal of horticulture, cottage gardener and country gentlemen . conveyed to the water, only just sufficient to take away ihgsmoke being allowed to escape. Any length of flue can beadded, or the boiler can be worked without any flue at all; andas the glass houses or buildings are extended so can heatingpower be added. It requires no brickwork beyond its founda-tion to form the ash-pit, and a wall round, as in almost allstoke-holes, to form a frontage; the latter can, however, bedispensed with. There are no dead-plates, solid bars, or bricksin this, as in most other boilers, to burn and crack, therebyadmitting a quantity of cold air which tends to cool the waterinstead of heating it. In order that there may be confidence in a boiler, there musbe uniform strength in the castings. It is well known that themore complicated the castings the more diflicult is it to procurean equal thickness, while inequality causes unequal expansionand contraction, and occasions fractures and leakages. But ismy boiler all the parts are in square sections, and easily cast


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Keywords: ., bookcentury1800, bookdecade186, bookpublisherlondon, bookyear1861