. A manual of veterinary hygiene. Veterinary hygiene. 68 VETEEINAEY HYGIENE therefore, under natural ventilation to point out any open- ings as being always inlets or always outlets, though we shall presently have to qualify this statement somewhat, in dealing with the mechanical contrivances known as cowls. With this caution we shall continue to employ as a matter of convenience the terms inlet and outlet as applied to ventilators. Inlets and outlets are of various kinds, viz. doors, windows, tubes surmounted by downcast or upcast cowls, perforated bricks, openings in the ridge of the roof wi
. A manual of veterinary hygiene. Veterinary hygiene. 68 VETEEINAEY HYGIENE therefore, under natural ventilation to point out any open- ings as being always inlets or always outlets, though we shall presently have to qualify this statement somewhat, in dealing with the mechanical contrivances known as cowls. With this caution we shall continue to employ as a matter of convenience the terms inlet and outlet as applied to ventilators. Inlets and outlets are of various kinds, viz. doors, windows, tubes surmounted by downcast or upcast cowls, perforated bricks, openings in the ridge of the roof with or without louvres, and holes placed in the wall. Doors need no special consideration, the tendency is. Fig. 4.—Sheringham ventilating'window (Musgrave). always to shut them, and in calculating the air require- ments they must be left out of question as they will certainly be closed at night, at which time the greatest air impurity exists. As a means of flushing the stable during the day, drying the floor, and thoroughly perflating the building, they have no equal if they exist in sufficient number for the size of the structure, and especially if they are placed on opposite sides of the stable. Winclou's as the chief means of natural ventilation require some detailed consideration. In most modern stables they are arranged on the principle of a Sheringham valve (Fig. 4), by which the air is directed upwards in order to prevent a draught. Digitized by Microsoft®. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smith, Frederick 1857-1929. New York : W. R. Jenkins
Size: 2215px × 1128px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkwrjenkins
