 | 1913 - 1544 стор.
...shall pools or sodden places or mudholes be allowed to exist near a well. SEC. 6. Heating apparatus of all kinds shall be capable of maintaining a temperature...and of maintaining a relative humidity of at least 30 per cent, and said heaters shall receive air from outside the building and after heating, introduce... | |
 | 1914 - 1550 стор.
...hour for each 225 cubic feet of said schoolroom space, regardless of outside atmopheric conditions; and heaters of all kinds shall be capable of maintaining a temperature of 70° F. in all schoolrooms, halls, office rooms, laboratories, and manual-trainn.. rooms, in all kinds of weather,... | |
 | 1914 - 1046 стор.
...hour for each 225 cu. ft. of said schoolroom space, regardless of outside atmospheric conditions ; and heaters of all kinds shall be capable of maintaining a temperature of 70° I1', in all shoolrooms, halls, office rooms, laboratories and manual training rooms, in all kinds of... | |
 | Vermont. State Board of Health - 1910 - 1424 стор.
...to prevent children from getting contagious diseases from individual cups. "Heating and Ventilation. Ventilating heating stoves, furnaces, and heaters...shall be capable of maintaining a temperature of 70° Fahrenheit in zero weather and of maintaining a relative humidity of at least 40 per cent, and said... | |
 | 1910 - 704 стор.
...Heating apparatus of all kinds, shall IK> capable of maintaining a temperature of 70 degrees Fahrenheit In zero weather and of maintaining a relative humidity of at least 30 per cent ; and said heaters shall receive air from outside the building and after heating, introduce... | |
 | Indiana State Board of Health - 1910 - 664 стор.
...mndholes he allowed to exist near a well. RULE 0. — HEATING AND VENTILATION. — Heating apparatus of all kinds, shall be capable of maintaining a temperature of 70 degrees Fahrenheit In zero weather and of maintaining a relative humidity of at least 30 \xr cvnt :... | |
 | Indiana - 1911 - 872 стор.
...coolers supplied with spring or self-closing faucets shall be provided. (f) Heating and Ventilation. Ventilating heating stoves, furnaces, and heaters...shall be capable of maintaining a temperature of 70 degrees Fahrenheit in zero weather and of maintaining a relative humidity of at least 40 per cent.;... | |
 | 1912 - 662 стор.
...coolers supplied witli spring or self-closing faucets shall be provided. (f) Healing and Ventilation. Ventilating heating stoves, furnaces, and heaters...shall be capable of maintaining a temperature of 70 degrees Fahrenheit in zero weather and of maintaining a relative humidity of at least 40 per cent.,... | |
 | Indiana State Board of Health - 1913 - 648 стор.
...coolers supplied with spring or self-closing faucets shall be provided. (f) Hcaiing and Ventilation. Ventilating heating stoves, furnaces, and heaters...shall be capable of maintaining a temperature of 70 degrees Fahrenheit in zero weather and of maintaining a relative humidity of at least 40 per cent.,... | |
 | 1913 - 676 стор.
...hour for each 225 cubic feet of said schoolroom space, regardless of outside atmospheric conditions; and heaters of all kinds shall be capable of maintaining a temperature of 70° Fahrenheit in all schoolrooms, hulls, office rooms, laboratories, and manual training rooms, in all... | |
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... space, regardless of outside atmospheric conditions; and heaters of all kinds shall be capable of maintaining a temperature of 70 degrees Fahrenheit in... 
