 | Thomas Edward Thorpe - 1906 - عدد الصفحات: 252
...discovered of rendering it fit for breathing again. It is evident, however, that there must be some M provision in Nature for this purpose, as well as for...all less fit for respiration than it has ever been. I flatter myself, however, that I have hit upon two of the methods employed by Nature for this great... | |
 | Sir Thomas Edward Thorpe - 1906 - عدد الصفحات: 250
...discovered of rendering it fit for breathing again. It is evident, however, that there must be some \ I provision in Nature for this purpose, as well as for...time, become unfit for the purpose of animal life ; ^nd yet there is no reason to think that it is, at present, at all less fit for respiration than... | |
 | Tim Fulford - 2002 - عدد الصفحات: 278
...has been rendered noxious by animals breathing in it as long as they could. I do not know that any methods have been discovered of rendering it fit for...all less fit for respiration than it has ever been. I flatter myself, however, that I have hit upon two of the methods employed by nature for this great... | |
 | عدد الصفحات: 540
...however, that there must be some provision in Nature for this purpose, as well as for that of rerklering the air fit for sustaining flame ; for without it...all less fit for respiration than it has ever been. I flatter myself, however, that I have hit upon two of the methods employed by Nature for this great... | |
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... extinction of flame in the same circumstances; and when once any quantity of air has been rendered noxious by animals breathing in it as long as they could, I do not know that any methods have been discovered of rendering it fit for breathing again.... 