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 151autor: British Association for the Advancement of Science. Meeting - 1862Pełny widok - Informacje o książce
| 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... | |
| 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... | |
| 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... | |
| 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,... | |
| 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... | |
| 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... | |
| 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... | |
| 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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