 | Alexander Luark Wade - 1880 - 486 pages
...for ventilation should be such as to provide for each person in a school-room not less than thirty cubic feet of fresh air per minute, which amount must...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... | |
 | Leartus Connor, Henry Alexander Cleland - 1880 - 590 pages
...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...parts of the room to differ in temperature more than 2° F., or the maximum temperature to exceed 70° F. This means that for a class room to contain fifty-six... | |
 | 1880 - 642 pages
...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 distributed without cre«tirg unpleasant draughts, or causing auy two parts of the room to differ in... | |
 | American Association of School Administrators - 1881 - 304 pages
...provisions for ventilation should be such as to provide for each person in a classroom not less than thirty cubic feet of fresh air per minute, which amount must...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... | |
 | United States. Bureau of Education - 1882 - 1196 pages
...provisions for ventilation should be snch as to provide for each person in a class room not less than thirty cubic feet of fresh air per minute, which amount must...parts of the room to differ in temperature more than 2° F., or the maximum temperature to exceed 70C F. This moans that for a class room to contain fifty-six... | |
 | United States. Office of Education - 1882 - 1194 pages
...person in a- class room not lees than thirty cubic feet of fresh air per minute, which amount muet be 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... | |
 | 1883 - 502 pages
...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...parts of the room to differ in temperature more than 2° F., or the maximum temperature to exceed 70° F. This means that, for a class-room to contain fiftysix... | |
 | 1889 - 318 pages
...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...parts of the room to differ in temperature more than 2° F., or the maximum temperature to exceed 70° F. This means that for a class-room to contain fifty-six... | |
 | Iowa. State Department of Health - 1883 - 458 pages
...fresh air per minute, which amount must be thoroughly distributed without creating unpleasant drafts, causing any two parts of the room to differ in temperature more than 2° F., or the maximum temperature to exceed 70° F. This means that for a class-room to contain fifty-six... | |
 | 1883 - 464 pages
...fresh air per minute, which amount must be thoroughly distributed without creating unpleasant drafts, causing any two parts of the room to differ in temperature more than 2° F., or the maximum temperature to exceed 70° F. This means that for a class-room to contain fifty-six... | |
| |
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 causing... 
