. The principles of ventilation and heating and their practical application. ^ Figure 37. 140 VENTILATION AND HEATING. ii^jL. Section tvirou^h ppjnait box a baffle, <z, that runs the whole length of the steps. The iron moldingat the edge of the step is perforated with small holes to admit the air ina spray, and its shape is designed to direct and diverge the jet over 180degrees of a circle, the object being to admit a large quantity of airimperceptibly. Figure 38 is a section and plan of the private boxes, of which there are 120. The airis carried throughthe floors from theflues in the wall
. The principles of ventilation and heating and their practical application. ^ Figure 37. 140 VENTILATION AND HEATING. ii^jL. Section tvirou^h ppjnait box a baffle, <z, that runs the whole length of the steps. The iron moldingat the edge of the step is perforated with small holes to admit the air ina spray, and its shape is designed to direct and diverge the jet over 180degrees of a circle, the object being to admit a large quantity of airimperceptibly. Figure 38 is a section and plan of the private boxes, of which there are 120. The airis carried throughthe floors from theflues in the wall A(as before mention-ed), and delivered atthe edges of the boxbalconies, as each two boxesis arranged a ventflue, as shown onplan. A special cor-ner-register face isarranged in each box,with a septum ex-tending inward, asshown, to interceptlight, etc. In eachregister is fixed asmall bell-mouthedfunnel, extending ashort distance intothe flue. Under thisfunnel is an argandgas burner, the pro-ducts of combustionof which are drawninto the flue directlyand not allowed to^•^^ 38. escapeintothe salon. The heat which
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Keywords: ., bookcentury1800, bookdecade1880, booksubj, booksubjectventilation
