. Marine Engineer . 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
. Marine Engineer . 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 1 It i I I tnd never requ ictin with equal effii I h the wind : upon it from • 11 ?- in mical movement it requin j m ion and can never get Dut i 1 irder. ;. Boyles Patent Downcast Ventilators send an ibundant11 low, and have in an equal 1 ml 4. 102 THE MARINE ENGINEER AND NAVAL ARCHITECT October i. I9Q7- 6. The exhaust and supply pipes may be concealed behindcornices, underneath seats, bunks, etc., and do not interferewith the structural arrangements or decorations of thesaloons or state-rooms. 7. Hot water or steam pipes may be placed within thesupply shafts for the purpose of warming the air in coldweather. Ice-boxes can be also fixed in the main shafts forcooling the air supply in hot weather. 8. The air is admitted into the saloons and state-roomsthrough small vertical tubes, so that no draught is experienced,and the supply can be regulated as desired by means of avalve fixed in each tube. 9. The warm vitiated air is exhausted at the upper partsto where it naturally as
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondon, bookyear190
