A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . course through the stove, and ascends to the ceiling, where it becomes diffused, and thendescends, passing off by the smoke-flue. A special tube, d, is provided for ventilating thegas-lights, as exhibited in fig. yy yi y ii d d y a y ii ii i The application of the pjro-pneumatic stove to tlie warming of churches is extremelyBimplc, and its eflects arc found highly satisfactory. It gives an abundant supply of fresh STRUVES MIXE VENTILATOR. 1017 air, warmed


A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . course through the stove, and ascends to the ceiling, where it becomes diffused, and thendescends, passing off by the smoke-flue. A special tube, d, is provided for ventilating thegas-lights, as exhibited in fig. yy yi y ii d d y a y ii ii i The application of the pjro-pneumatic stove to tlie warming of churches is extremelyBimplc, and its eflects arc found highly satisfactory. It gives an abundant supply of fresh STRUVES MIXE VENTILATOR. 1017 air, warmed to the desired temperature, and thereby prevents the influx of an impure at-mosphere from vaults and other sources of pollution. It carries off the vitiated air by thesmoke-due, or in cases where a more rapid ventilation may be desirable, the warmth whichit imparts to the air is sufficient to create an ample current in any shaft or ventilator thatmay be provided i:i tbe roof or spire of the building. In all cases this apparatus is economical in a high degree, not only from the smallness ofits first cost, but also froui the fact that the full effect of the fuel consumed in it is securedto the uses of warming and ventilation. One element of economy cannot be too stronglyinsisted upon, viz., the feeling of warmth and comfort (even if it only exi


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Keywords: ., bookcentury1800, bookdecade1860, bookpublishernewyo, bookyear1864