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Books Bücher 1 - 8 von 8 in These sand-wheels are a help, but it is often necessary in addition to keep a man...
" These sand-wheels are a help, but it is often necessary in addition to keep a man shoveling the sand from the trough. If the sand is finer it is not dropped so quickly and, distributed more evenly along the trough, does not clog it up so fast. The zigzag... "
Report - Seite 266
von Maryland Geological Survey - 1902
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Bulletin, Ausgaben 1-7

1886
...the sand is finer it is not dropped so quickly, but is distributed more evenly along the trough, and does not clog it up so fast. The zigzag arrangement...the sand to bank up in the corners at the bends, and also at certain points along the sides of the troughing.* The effect of this is to narrow the channel,...
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Bulletin, Ausgabe 13

North Carolina. Division of Mineral Resources, North Carolina. Dept. of Conservation and Development - 1897
...If the sand is finer it is not dropped so quickly, but distributed more evenly along the trough and does not clog it up so fast. The zig-zag arrangement...the sand to bank up in the corners at the bends, and also at certain points along the sides of the troughing. 1 The effect of this is to narrow the channel,...
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Bulletin of the New York State Museum, Ausgabe 35

1900
...turn on the wheel, it, by its inverted position, drops the sand outside the trough. These sand wheels are a help, but it is often necessary in addition...bends and at certain points along the sides of the troughing. (E. Hotop. Tlionindustrie zeitung. 1893) The effect is to narrow the channel, and consequently...
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Maryland Geological Survey, Band 4

Maryland Geological Survey - 1902
...objection to this apparatus is that it has to be stopped from time to time to remove the coarse sand from the machine. The method most commonly used at...bends and at certain points along the sides of the troughing.'2 The effect is to narrow the channel and consequently increase the velocity of the current,...
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Report

Maryland Geological Survey - 1902
...objection to this apparatus is that it has to be stopped from time to time to remove the coarse sand from the machine. The method most commonly used at...bends and at certain points along the sides of the troughing." The effect is to narrow the channel and consequently increase the velocity of the current,...
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Report, Band 4

Maryland Geological Survey - 1902
...not dropped so quickly and, distributed more evenly along the trough, does not clog it up so fast. some as it produces irregularities in the current,...increase the velocity of the current, thereby causing the tine sand to be carried still farther toward the settling tank. This difficulty, which is not often...
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Professional Paper, Bände 11-12

1903
...sand from the trough. "If the sand is finer it is not dropped so quickly and, distributed more evenlv along the trough, does not clog it up so fast. "The...bends, and at certain points along the sides of the troughing." The effect is to narrow the channel and consequently increase the velocity of the current,...
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Bulletin, Band 7,Ausgaben 35-36

1900
...turn on the wheel, it, by its inverted position, drops the sand outside the trough. These sand wheels are a help, but it is often necessary in addition...bends and at certain points along the sides of the troughing. (E. Hotop. Thonindustrie zeitung. 1893) The effect is to narrow the channel, and consequently...
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