 ... of iron is unfit for constant use. Deep wells should have their walls so protected as not to permit of surface water finding its way through them. If this is not the case, their waters may become quite as foul as those of shallow wells. Subterranean...  Healthy homes and foods for the working classes - Page 14by Victor Clarence Vaughan - 1886 - 62 pagesFull view - About this book
 | New Hampshire. Dept. of Agriculture - 1886 - 498 pages
...quite as foul as those of shallow wells. Subterranean waters are often hard. Ky this is meant that they fail to make a lather with soap, or a large amount...Hard waters are divided into two classes : — 1. Those whose hardness is removed by boiling. This is known as temporary hardness. 2. Those whose hardness... | |
 | American Public Health Association - 1886 - 222 pages
...quite as foul as those of shallow wells. Subterranean waters are often hard. By this is meant that they fail to make a lather with soap, or a large amount...soap. Hard waters are divided into two classes : (1) Those whose hardness is removed by boiling. This is known as temporary hardness. (2) Those whose hardness... | |
 | New Hampshire. Dept. of Agriculture - 1886 - 498 pages
...quite as foul as those of shallow wells. Subterranean waters are often hard. By this is meant that they fail to make a lather with soap, or a large amount...Hard waters are divided into two classes : — 1. Those whose hardness is removed by boiling. This is known as temporary hardness. 2. Those whose hardness... | |
 | American Public Health Association - 1886 - 248 pages
...quite as foul as those of shallow wells. Subterranean waters are often hard. By this is meant that they fail to make a lather with soap, or a large amount...soap. Hard waters are divided into two classes : (1) Those whose hardness is removed by boiling. This is known as temporary hardness. (2) Those whose hardness... | |
 | 1888 - 340 pages
...quite as foul as those of shallow wells. Subterranean waters are often hard. By this is meant that they fail to make a lather with soap, or a large amount...with soap. Hard waters are divided into two classes: First, those whose hardness is removed by boiling. This is known as temporary hardness. Second, those... | |
 | New Hampshire. State Department of Health - 1888 - 340 pages
...quite as foul as those of shallow wells. Subterranean waters are often hard. By this is meant that they fail to make a lather with soap, or a large amount...with soap. Hard waters are divided into two classes: First, those whose hardness is removed by boiling. This is known as temporary hardness. Second, those... | |
 | Maine. State Board of Health - 1890 - 332 pages
...quite as foul as those of shallow wells. Subterranean waters are often hard. By this is meant that they fail to make a lather with soap, or a large amount...soap. Hard waters are divided into two classes : (1) Those whose hardness is removed by boiling. This is known as temporary hardness. (2) Tcose whose hardness... | |
 | Maine. State Board of Health - 1890 - 338 pages
...quite as foul as those of shallow wells. Subterranean waters are often hard. By this is meant that they fail to make a lather with soap, or a large amount...soap. Hard waters are divided into two classes : (1) Those whose hardness is removed by boiling. This is known as temporary hardness. (2) Taose whose hardness... | |
 | 1890 - 676 pages
...quite as foul as those of shallow wells. Subterranean waters are often hard. By this is meant that they fail to make a lather with soap, or a large amount of soap must be sed with them in order to produce a lather. The hardness of water is due to the presence of certain... | |
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