 | 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...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... | |
 | 1880 - 642 페이지
...more than two degrees, Fahrenheit, or the maximum temperature to exceed seventy degrees, Fahrenheit. This means that for a class-room to contain fifty-six...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
...should not be more than one and one half times the height of the top of the windows from the floor. " 5. The height of a class-room should never exceed fourteen...The velocity of incoming air should not exceed two i'eet per second at any point where it is likely to strike on the person. "7. The heating of fresh... | |
 | West Virginia. Department of Health - 1883 - 318 페이지
...exceed fourteen feet. "6. Ventilation should be such as to provide for eacli 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... | |
 | 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...twenty-eight cubic feet of air per second should be continuously furnished, distributed and removed during school hours. " The velocity of the incoming... | |
 | 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...twenty-eight cubic feet of air per second should- be continuously furnished, distributed, and removed during school sessions. The velocity of the incoming... | |
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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... 
