eir normal coupling positions and Fig. 2 showing the inner end of the ventilator. A trated herewith. From each of the lowest rooms in the collar is fitted in the side of the car in which is or whether they are raised, on meeting another similar building a rod extends vertically through the floors… … 1961b. 2351b. horse power per hour WEBNEB'S VENTILATOB. WEST'S FIBE ALABM. This engine has now been working for about eighteen converging at an angle, and open into the side of a tached to suitable supports in each room, the various months, but in other cases, to avoid the risk arising large pipe,…
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