. Marine Engineer . (uptake), consisting of an an il metal plati . at certain curve and angli em 0 I in a central chamberfrom which the air is exhausted through a serii oi openingsor slots l>\ the deflecting of the current of external air a<the opening and so cr. I induced current 111 the ventilator and up the shaft and a down current ventilatoi. Fig 5-of such a form, that the heads require no trimming, and aseries of air shafts completes the -vstem. The makers claim for this system the following advani 1. Boyles Patent Air-Pump Ventilator creates a continuous and powerful up-current whe


. Marine Engineer . (uptake), consisting of an an il metal plati . at certain curve and angli em 0 I in a central chamberfrom which the air is exhausted through a serii oi openingsor slots l>\ the deflecting of the current of external air a<the opening and so cr. I induced current 111 the ventilator and up the shaft and a down current ventilatoi. Fig 5-of such a form, that the heads require no trimming, and aseries of air shafts completes the -vstem. The makers claim for this system the following advani 1. Boyles Patent Air-Pump Ventilator creates a continuous and powerful up-current when the vessel is lying 111harbour or sailing. The lati t pat nt has double the extract-ing power of the earlier forms, mi smaller ventilators maynow In- used, effecting not only a considerable reduction 111 ost but also a saving in space. 2. It 1-, entirely free from down-draught. 3. It is perfectly water tight, and may be kept induring the stormiest weather.


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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondon, bookyear190