 | United States. Office of Education - 1896 - 1250 halaman
...admitted to such public buildings, or of the pupils attending such schoolhouse in sai(? city, and shall be ventilated in such a proper manner that the air...injurious to the health of the persons present therein, and the provisions of this section shall be enforced by the board of health; and whenever it shall... | |
 | Ohio. Department of Inspection of Workshops, Factories and Public Buildings - 1887 - 242 halaman
...womren, five or more in num ber, are employed, shall be so ventilated while work is carried on therein that the air shall not become so exhausted as to be injurious to the health of the persons employed therein, and shall also be so ventilated as to render harmless, so far as is practicable,... | |
 | Massachusetts. State Board of Health - 1887 - 470 halaman
...women, five or more in number, are employed, shall be so ventilated while work is carried on therein that the air shall not become so exhausted as to be injurious to the health of the persons employed therein, and shall also be so ventilated as to render harmless, so far as is practicable,... | |
 | 1887 - 430 halaman
...women, five or more in number, are employed, shall be so ventilated while work is carried on therein that the air shall not become so exhausted as to be injurious to the health of the persons employed therein, and shall also be so ventilated as to render harmless, so far as is practicable,... | |
 | Massachusetts - 1888 - 100 halaman
...Chapter 149 of the Acts of 1888 provides : — 2. Every public building and every school-house shall be ventilated in such a proper manner that the air...to the health of the persons present therein. The provisions of this section and the preceding section shall be enforced by the inspection department... | |
 | Ohio. Department of Inspection of Workshops, Factories and Public Buildings - 1889 - 286 halaman
...the pupils attending such school-house. SEC. 2. Every public building and every school-house shall be ventilated in such a proper manner that the air...to the health of the persons present therein. The provisions of this section and the preceding section shall be enforced by the inspection department... | |
 | Maine. Bureau of Industrial and Labor Statistics - 1889 - 218 halaman
...•women, five or more in number, are emplo}-ed, shall be so ventilated while work is carried on therein that the air shall not become so exhausted as to be injurious to the health of the persons employed therein, and shall also be so ventilated as to render harmless, so far as is practicable,... | |
 | Rhode Island. Office of Commissioner of Industrial Statistics - 1889 - 234 halaman
...women, five or more in number, are employed, shall be so ventilated while work is carried on therein that the air shall not become so exhausted as to be injurious to the health of the persons employed therein, and shall also be so ventilated as to render harmless, so far as is practicable,... | |
 | 1915 - 1086 halaman
...composing room in which our members are employed shall be so ventilated while work is carried on therein that the air shall not become so exhausted as to be injurious to the health of the persons employed therein, and shall be so ventilated as to render harmless, as far as possible, all the gases,... | |
 | 1890 - 588 halaman
...them, and forthwith passed a law commanding that ' Every public building and every school-house shall be ventilated in such a proper manner that the air...to the health of the persons present therein.' The enforcement of this decree was referred to the District Police, and the legislators, conscious that... | |
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... are employed, shall be so ventilated while work is carried on therein that the air shall not become so exhausted as to be injurious to the health of the persons employed therein, and shall also be so ventilated as to render harmless... 
