is closed; tank. Now the filter below contains only water. To give or lake water in any quantities, large or small, and in all the waste valve, I, and the valve at the top of the pipe, E, situations and under any pressure required. Whether for are opened. The water coming in through the valve, B,… … them that it was impossible to develop As will be seen in the illustration, Arizona Territory with much success filter No. 3 is constructed with two or profit. But a great change has taken place since compartments, one above the other. The lower com- opened. Immediately the sand and water commence…
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