 | 1831 - 336 pàgines
...the tonic properties of the steel, which is sure to terminate in pulmonary consumption ; insomuch, that persons employed in this kind of work used scarcely ever to attain the age of forty years.* In vain was it attempted to purify the air before its entry into the lungs by gauzes... | |
 | Samuel Drew - 1831 - 658 pàgines
...the tonic properties of the steel, which is sure to terminate In pulmonary consumption ; insomuch, that persons employed in this kind of work used scarcely ever to attain the age of fortv years. In vain was it attempted to purify the air before its entry into the lungs by gauzes or... | |
 | James Melville M'Culloch - 1831 - 250 pàgines
...their breath. These particles, though imperceptible as the finest dust, are so destructive to health, that persons employed in this kind of work used scarcely ever to attain the age of forty years. In vain was it attempted to purify the air before its entry into the lungs, by gauzes... | |
 | 1831 - 336 pàgines
...the tonic properties of the steel, which is sure to terminate in pulmonary consumption ; insomuch, that persons employed in this kind of work used scarcely ever to attain the age of forty years.* In vain was it attempted to purify the air before its entry into the lungs by gauzes... | |
 | 1833 - 618 pàgines
...the tonic properties of the steel, which is sure to terminate in pulmonary consumption ; insomuch, that persons employed in this kind of work used scarcely ever to attain the age of forty years. In vain was it attempted to purify the air before its entry into the lungs, by gauzes... | |
 | Thomas Dick - 1833 - 576 pàgines
...the tonic properties of the steel, which is sure to terminate in pulmonary consumption ; insomuch, that persons employed in this kind of work used scarcely ever to attain the age of forty years. In vain was it attempted to purify the air, before its entry into the lungs, by gauzes... | |
 | Thomas Dick - 1836 - 682 pàgines
...the tonic properties of the steel , which is sure to terminate in pulmonary consumption ; insomuch, that persons employed in this kind of work used scarcely ever to attain the age of forty years. In vain was it attempted to purify the uir, before its entry into the lungs, by gauzes... | |
 | 1839 - 352 pàgines
...dependent on the tonic properties of steel, which is sure to terminate in pulmonary consumption; insomuch, that persons employed in this kind of work used scarcely ever to attain the age of forty years. In vain was it attempted to purify the air before its entry into the lungs by gauzes or... | |
 | 1844 - 606 pàgines
...needles are exposed to excessively minute particles of steel, which fly from the grind-stones, and mil, though imperceptibly to the eye, as the finest dust...power of the magnet. Masks of magnetized steel are now coustructed and adapted to the faces of the workmen. By these the air is not merely strained but searched... | |
 | Richard Dawes - 1849 - 228 pàgines
...dependent on the tonic properties of the steel, which is sure to end in pulmonary consumption : insomuch, that persons employed in this kind of work, used scarcely ever to attain the age of forty years. In vain was it attempted to purify the air, before its entry into the lungs, by gauzes... | |
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The effect, though imperceptible on a short exposure, yet, being constantly repeated from day to day, produces a constitutional irritation dependent on the tonic properties of the steel, which is sure to terminate in pulmonary consumption ; insomuch,... 
