| 1898 - عدد الصفحات: 588
...efficient and rapid in its action; (2) it is less injurious in its effects on household goods: (3) it is less toxic to the higher forms of animal life; (4) when supplied from a generator placed outside of the room and watched by an attendant, there is less... | |
| 1898 - عدد الصفحات: 620
...efficient and rapid in its action; (2) it is less injurious in its effects on household goods; (3) it is less toxic to the higher forms of animal life; (4) when supplied from a generator placed outside of the room and watched by an attendant, there is less... | |
| 1899 - عدد الصفحات: 568
...a generator placed outside of the room and watched bv an attendant,thus avoiding - , in some cases, danger of fire. Apart from the cost of the apparatus and the greater time involved, formaldehyde gas generated from commercial formalin is not much more expensive than sulphur dioxide,... | |
| 1900 - عدد الصفحات: 722
...sulphur dioxid as a disinfectant for dwellings (1) because it is more efficient and rapid in its actiou ; (2) because it is less injurious in its effects on...watched by an attendant there is less danger of fire. Formaldehyd gas is the best disinfectant at present known for the disinfection of dwellings. It is... | |
| William Hallock Park - 1905 - عدد الصفحات: 566
...is less injurious in its effects on household goods; third, because when necessary it can easily be supplied from a generator placed outside of the room and watched by an attendant, thus avoiding in some cases danger of fire. Apart from the cost of the apparatus and the greater time... | |
| William Hallock Park - 1910 - عدد الصفحات: 714
...THOGEMC M1CRO-ORGA .Y/.S.VS. effects on household goods; third, because when necessary it can easily be supplied from a generator placed outside of the room and watched by an attendant, thus avoiding in some cases danger of fire. Apart from the cost of the apparatus and the greater time... | |
| William Hallock Park - 1914 - عدد الصفحات: 872
...is less injurious in its effects on household goods; third, because when necessary it can easily be supplied from a generator placed outside of the room and watched by an attendant, thus avoiding, in some cases, danger of fire. Apart from the cost of the apparatus and the greater... | |
| Reynold Webb Wilcox - 1917 - عدد الصفحات: 874
...efficient and rapid in its action; (2) it is less injurious in its effects on household goods; (3) it is less toxic to the higher forms of animal life; (4) when supplied from a generator placed outside the room and watched by an attendant, there is less danger... | |
| William Hallock Park - 1920 - عدد الصفحات: 922
...it is less injurious in its effects in household goods; (3) because when necessary it can be easily supplied from a generator placed outside of the room and watched by an attendant, thus avoiding, in some cases, danger of fire. PUBLIC STEAM DISINFECTING CHAMBERS. These are used much... | |
| William Hallock Park - 1920 - عدد الصفحات: 862
...is less injurious in its effects on household goods; third, because when necessary it can easily be supplied from a generator placed outside of the room and watched by an attendant, thus avoiding, in some cases, danger of fire. Apart from the cost of the apparatus and the greater... | |
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