 VI. The provisions for ventilation should be such as to provide for each person in a class-room not less than thirty cubic feet of fresh air per minute, which amount must be introduced and thoroughly distributed without creating unpleasant draughts, or...  Report - 204 페이지저자: West Virginia. Department of Health - 1883전체보기 - 도서 정보
 | Leartus Connor, Henry Alexander Cleland - 1880 - 590 페이지
...which amount must be introduced and thoroughly distributed without creating unpleasant draughts or causing any two parts of the room to differ in temperature...twenty-eight cubic feet of air per second should be continuously furnished, distributed and removed during school hours. The velocity of the incoming air... | |
 | 1880 - 642 페이지
...or the maximum temperature to exceed seventy degrees, Fahrenheit. This means that for a class-room to contain fifty-six pupils twenty-eight cubic feet of air per second should be continuously furnished, distributed, and removed during school sessions. The velocity of the incoming... | |
 | Alexander Luark Wade - 1880 - 486 페이지
...which amount must be introduced and thoroughly distributed without creating unpleasant draughts, or causing any two parts of the room to differ in temperature more than 20° F., or the maximum temperature to exceed 70°. This means that for a school-room to contain fifty-six... | |
 | American Association of School Administrators - 1881 - 304 페이지
...which amount must be introduced and thoroughly distributed without creating unpleasant draughts or causing any two parts of the room to differ in temperature more than 2° Fahrenheit, or the maximum temperature to exceed 70° Fahrenheit. The \elocity of the incoming air... | |
 | United States. Bureau of Education - 1882 - 1196 페이지
...which amount must be introduced and thoroughly distributed without creating unpleasant draughts or causing any two parts of the room to differ in temperature...than 2° F., or the maximum temperature to exceed 70C F. This moans that for a class room to contain fifty-six pupils twenty-eight cubic feet of air... | |
 | United States. Office of Education - 1882 - 1194 페이지
...introduced and thoroughly distributed without creating unpleasant draughts or causing any two parte of the room to differ in temperature more than 2° F., or the maximum temperature to exceed 70e F. This means that for a class room to contain fifty-six pupils twenty-eight cubic feet of air... | |
 | Iowa. State Department of Health - 1883 - 458 페이지
...exceed fourteen feet. " 6. Ventilation should be such as to provide for each person in a class-room not less than thirty cubic feet of fresh air per minute,...temperature to exceed 70° F. This means that for a class-room to contain fifty-six pupils twenty-eight cubic feet of air per second should be constantly... | |
 | 1883 - 464 페이지
...exceed fourteen feet. " 6. Ventilation should be such as to provide for each person in a class-room not less than thirty cubic feet of fresh air per minute,...temperature to exceed 70° F. This means that for a class-room to contain fifty-six pupils twenty-eight cubic feet of air per second should be constantly... | |
 | 1883 - 502 페이지
...which amount must be introduced and thoroughly distributed without creating unpleasant draughts or causing any two parts of the room to differ in temperature...temperature to exceed 70° F. This means that, for a class-room to contain fiftysix pupils, twenty-eight cubic feet of air per second should- be continuously... | |
 | 1889 - 318 페이지
...which amount must be introduced and thoroughly distributed without creating unpleasant draughts, or causing any two parts of the room to differ in temperature...temperature to exceed 70° F. This means that for a class-room to contain fifty-six pupils, twenty-eight cubic feet of air per second should be continuously... | |
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