sluiceways of canals is ure for its general acceptance. The construction of shown in the accompanying illustration. The gate. is the ozone apparatus, telegraph instruments with alter- designed to normally stay closed, opening automati- nate currents, and translation and automatic discharge for… … will remain open until the water falls below He had continued reading papers and ad- NORTON’S AUTOMATIC WATER GATE. the opening leading to the tank, a small dresses down to the present time, and had aperture in the bottom of the latter soon contributed of late years much to the theory small…
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