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Książki Książki 110 z 11 na temat This formula is submitted at present temporarily as being accurate enough for use....
" This formula is submitted at present temporarily as being accurate enough for use for ordinary practical purposes for the measurement of water by notches similar to the one experimented on, and for quantities of water limited to nearly the same range... "
Report of the Annual Meeting - Strona 151
autor: British Association for the Advancement of Science. Meeting - 1862
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Report

British Association for the Advancement of Science - 1859
...the formula Q=r-317 H* ; where Q is the quantity of water in cubic feet per minute, and H the head as measured, vertically, in inches, from the still-water...pool, down to the vertex of the notch. This formula is submitted, at present temporarily, as being accurate enough for use for ordinary practical purposes...
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The Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art

David Ames Wells, Samuel Kneeland, John Trowbridge, Charles Robert Cross, William Ripley Nichols, George Bliss - 1860
...water in cubic feet per minute, and и the head as measured vertically in inches from the still water level of the pool down to the vertex of the notch. This formula is submitted at present temporarily, as being accurate enough for use for ordinary practical purposes,...
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Hydraulic tables ... for finding the discharge of water from orifices [&c.].

John Neville (civil engineer.) - 1860
...water in cubic feet per minute, and H the head as measured vertically in inches from the still water level of the pool down to the vertex of the notch. This formula is submitted at present temporarily as being accurate enough for use for ordinary practical purposes...
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Hydraulic Tables, Coefficients & Formulae: For Finding the Discharge of ...

John Neville - 1861 - Liczba stron: 455
...water in cubic feet per minute, and H the head as measured vertically in inches from the still water level of the pool down to the vertex of the notch. This formula is submitted at present temporarily as being accurate enough for use for ordinary practical purposes...
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Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art ...

1867
...water in cubic feet per minute, and н the head as measured vertically in inches from the still water level of the pool down to the vertex of the notch. This formula is submitted at present temporarily, as being accurate enough for use for ordinary practical purposes,...
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The practice of engineering field work, applied to land, hydrographic ..., Tom 2

William Davis Haskoll - 1868
...Q is the quantity of water in cubic feet per minute ; and H the head in inches measured vertically from the stillwater level of the pool down to the vertex of the notch. The above formula has only been submitted temporarily, as being accurate enough for use for ordinary...
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Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art

David Ames Wells, Samuel Kneeland, John Trowbridge, Charles Robert Cross, William Ripley Nichols, George Bliss - 1860
...water in cubic feet per minute, and n the head as measured vertically in inches from the still water level of the pool down to the vertex of the notch. This formula is submitted at present temporarily, as being accurate enough for use for ordinary practical purposes,...
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Hydraulic Tables, Coefficients, and Formulae: For Finding the Discharge of ...

John Neville - 1875 - Liczba stron: 494
...water in cubic feet per minute, and H the head as measured vertically in inches from the still water level of the pool down to the vertex of the notch. This formula is submitted at present temporarily as being accurate enough for use for ordinary practical purposes...
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Land and Marine Surveying in Reference to the Preparation of Plans for Roads ...

William Davis Haskoll - 1886 - Liczba stron: 230
...Q is the quantity of water in cubic feet per minute ; and H the head in inches measured vertically from the stillwater level of the pool down to the vertex of the notch. The foregoing formula has only been submitted temporarily as being accurate enough for use for ordinary...
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Experimental Engineering

Urban Tigner Holmes - 1911 - Liczba stron: 311
...inches, the following expression was arrived at, where q = cubic feet discharged per minute, and 7f=head measured vertically in inches from the still-water...level of the pool down to the vertex of the notch. It is the present custom to measure all heads of water in feet, and weir discharges arc usually measured...
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