This historic book may have numerous typos and missing text.
Purchasers can download a free scanned copy of the original book
(without typos) from the publisher. Not indexed. Not illustrated.
1908 Excerpt: ...so they may not contract a serious disease for
years, but a severe cold may weaken their vitality and disease
resisting power so they may become infected at any time. Strangers
drinking the water are especially liable because their systems are
not fortified against the peculiar dangers lurking in that
vicinity. Every fall city papers contain accounts of typhoid that
has been brought home from country places by people while away on
their annual vacation trips. With cistern water it is different, as
the principal contamination of rain water comes from dirt on the
roof; the water itself is pure enough until it strikes the roof.
Some farmers have two cisterns. They let the first water from a
rain shower run into one cistern, then switch the leader to the
other one which is used for house purposes. Good durable cisterns
in clay or loamy ground may be made by plastering cement mortar
directly on the earth surface of the excavation. In some sections
of the country a great many cisterns are made this way and covered
by putting timbers across and building a floor of double thick inch
stuff, laid to break joints. The spaces over the wall and between
the timbers are filled in with cement and a drain is cut in one
side while the cement is soft. A cistern built in this way may last
for ten or twelve years without any trouble, but there is no
certainty about it. A great deal better way is to make a round form
of beveled staves lightly hooped to hold them in place. Then dig
the excavation four or six inches larger all around than the
outside of the wooden form. Then mix concrete, made of one part
best Portland cement, two parts clean sharp sand and four parts of
broken stone. If the cistern is small have the form already to
lower by erecting a tripod with pulley and tackl...
|Country of origin:
||246 x 189 x 20mm (L x W x T)
||Paperback - Trade
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