at As this wedge is a powerful one, there a tendency of the tool beyond that of the usual direct draft is required, the damper, B, may be opened, when the course of the gases will be as in formed with little power, so that the tool is liable, with im- an ordinary stove pipe without any appliances,… … here speedily brought into comely form. H. W. P. stores, and for upper floors in private dwellings, and, in Correspondence. Newark, N. J. short, for a}l circumstances where the utilization of heat is eo a desideratum, this device is intended. It is constructed on The Editors are not responsible sor…
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