 The same result takes place more slowly when carbonate of lime, in the form of shells or pieces of lime rock, are present in the filtering bed. A mixture of the peaty water with a hard water gives rise to a similar decoloration of the mixed liquid. We...  Transactions of the Royal Scottish Society of Arts - Page 348by Royal Scottish Society of Arts - 1873Full view - About this book
 | National Association for the Promotion of Social Science (Great Britain) - 1880 - 896 pages
...mixture of the peaty water with a hard water gives rise to a similar decoloration of the mixed liquid. We must distinctly draw the line between the above,...highly manured fields, give rise to the most dreaded form of contamination, which may, when the entrance of the impurity is direct, be visible to the naked... | |
 | Robert Scott Burn - 1872 - 314 pages
...organic matter and that which is putrescent. Marshy places impregnate water with putrescent matter, and hence marshy waters do not belong to the same class as peaty waters. There is a decided difference in the relative properties of the gases dissolved in such.... | |
 | Royal Philosophical Society of Glasgow - 1875 - 432 pages
...mixture of the peaty water with a hard water gives rise to a similar decoloration of the mixed liquid. 'We must distinctly draw the line between the above...highly manured fields, give rise to the most dreaded form of contamination, which may, when the entrance of the impurity is direct, be visible to the naked... | |
 | National association for the promotion of social science - 1880 - 882 pages
...decoloration of the mixed liquid. We must distinctly draw the line between the above, or non- putrescent organic matter, and putrescent organic matter either...highly manured fields, give rise to the most dreaded form of contamination, which may, when the entrance of the impurity is direct, be visible to the naked... | |
 | National Association for the Promotion of Social Science (Great Britain) - 1880 - 876 pages
...decoloration of the mixed liquid. We must distinctly draw the line between the above, or non- putrescent organic matter, and putrescent organic matter either...highly manured fields, give rise to the most dreaded form of contamination, which may, when the entrance of the impurity is direct, be visible to the naked... | |
| |
