h protection by patent is solicited. The invention herewith illustrated is a good one, not only for shallow but especially for deep wells beyond the capacity of the atmospheric pump. It probably eliminates the element of friction to as great an extent as it can practically be done ; and, therefore,… … — a —_— the lines or grooves above mentioned. These perforations Purification of Water from Smoke impurities, Our engraving gives an excellent idea of the device. Two are constricted in the center, so as to present one section, Several correspondents recommend the use of permanganate grooved…
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