 In this way two air-vents in the window are established, one under the lower sash, the current of which is turned upward by the cloth, and the other between the upper and lower sash, as when the board is used. Through the upper vent it is supposed that...  Healthy homes and foods for the working classes - Page 9by Victor Clarence Vaughan - 1886 - 62 pagesFull view - About this book
 | New Hampshire. Dept. of Agriculture - 1886 - 498 pages
...raising the lower sash to a greater or less extent, according to the weather. In this way two air-vents in the window are established, one under the lower...warmed in passing through the jacket. By any of the above-mentioned devices, abundant facility may be furnished for the admission of fresh air ; but as... | |
 | New Hampshire. Dept. of Agriculture - 1886 - 498 pages
...raising the lower sash to a greater or less extent, according to the weather. In this way two air-vents in the window are established, one under the lower...warmed in passing through the jacket. By any of the above-mentioned devices, abundant facility maybe furnished for the admission of fresh air ; but as... | |
 | 1886 - 422 pages
...ш to bring a pipe about six inches in diameter through or under the floor, to the stove, where it terminates in a sheetiron jacket placed around the...or two inches, and having escapes only at the top. The heat of the stove will produce a current through the pipe of fresh, warmed air.— PROF. VC VAUGHAN.... | |
 | 1888 - 340 pages
...raising the lower sash to a greater or less extent, according to the weather. In this way two air-vents in the window are established, one under the lower...warmed in passing through the jacket. By any of the above-mentioned devices, abundant facility may be furnished for the admission of fresh air ; but as... | |
 | New Hampshire. State Department of Health - 1888 - 340 pages
...raising the lower sash to a greater or less extent, according to the weather. In this way two air-vents in the window are established, one under the lower...warmed in passing through the jacket. By any of the above-mentioned devices, abundant facility may be furnished for the admission of fresh air ; but as... | |
 | Maine. State Board of Health - 1890 - 332 pages
...consists in fitting a piece of board from four to eight inches wide in the window frame under the lower sash. By this means a space is left between the bottom...warmed in passing through the jacket. By any of the above-mentioned devices, abundant facility may be furnished for the admission of fresh air ; but as... | |
 | Maine. State Board of Health - 1890 - 338 pages
...to the weather. In this way two air vents in the window are established, one under the lower sash i the current of which is turned upward by the cloth,...warmed in passing through the jacket. By any of the above-mentioned devices, abundant facility may be furnished for the admission of fresh air ; but as... | |
 | 1890 - 676 pages
...known as Maine's elbow-tube ventilator consists of a board placed under a raised sash, as airead}- described. This board carries two tubes, about six...produce a strong current through the pipe, and the incomiug air will be warmed in passing through the jacket. By any of the above-mentioned devices, abundant... | |
 | 1887 - 748 pages
...to bring a pipe of about six inches in diameter through or under the floor, to the stove, where it terminates in a sheet-iron jacket placed around the...or two inches, and having escapes only at the top. The heat of the stove will produce a current through the pipe of fresh, warmed air. — Sanitary Era,... | |
 | 1887 - 644 pages
...to bring a pipe of about six inches 'in diameter through or under the floor, to the stove, where it terminates in a sheet-iron jacket placed around the...or two inches, and having escapes only at the top. The heat of the stove will produce a current through the pipe of fresh, warmed air. — Sanitary Era.... | |
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