| United States Naval Observatory - Astronomy - 1901 - 320 pages
...are sent out by the Observatory at t meridian, the standard time meridian of the Pacific Coast. The shortly before noon, from the mean of three standard clocks that are ral signal is seldom in error to an amount greater than one or two tenths of a on long telegraph lines.... | |
| Albert Allis Hopkins - Encyclopedias and dictionaries - 1904 - 558 pages
...• 1 8 the Mare Island Navy Yard, Califorя dian, the standard time meridian of the Pacific Coast. The transmitting clock that sends out the signals...is seldom in error to an amount greater than one or two tenths of a second, although a tenth more may be added by the relays in use on long telegraph lines.... | |
| Alexander Russell Bond - Encyclopedias and dictionaries - 1904 - 572 pages
...the standard time meridian of the Pacific Coast. The transmitting clock that sends out the signals ig corrected very accurately, shortly before noon, from...is seldom in error to an amount greater than one or two tenths of a second, although a tenth more may be added by the relays in use oa long telegraph lines.... | |
| Encyclopedias and dictionaries - 1905 - 558 pages
...jjj: ft• j] dian. the standard time meridian of the Pacific Coast. The transmitting clock that sende out the signals is corrected very accurately, shortly before noon, from the mean of throe standard clocks that are rated by star sights with a meridian transit instrument. The noon signal... | |
| William Carpenter Pendleton Muir - Nautical astronomy - 1906 - 754 pages
...sea. The general scheme of transmission is eiplained in the following extract from the Annual Keport of the Superintendent US Naval Observatory for the...noon, from the mean of three standard clocks that arc rated by star sights with a meridian transit instrument. The noon signal is seldom in error to... | |
| International Correspondence Schools - 1908 - 626 pages
...transmitting clock at the Naval Observatory that sends out the signals is corrected very accurately from the mean of three standard clocks that are rated...signal is seldom in error to an amount greater than .rV or T% second, although iV second more may be added by the relays in use on long telegraph lines.... | |
| Agriculture - 1909 - 532 pages
...transmitting clock at the Naval Observatory that sends out the signals is corrected very accurately from the mean of three standard clocks that are rated...instrument. The noon signal is seldom in error to amount greater than -i1^ or A second, although iV seco more may be added by the relays in use on long... | |
| Industrial arts - 1918 - 380 pages
...Government time-balls, and some 60,000 public and private clocks corrected daily by naval time signals. The transmitting clock that sends out the signals...corrected very accurately, shortly before noon, from the average of three standard clocks that are rated by star sights with a meridian transit instrument.... | |
| United States - 1904 - 1232 pages
...by a contact one second long, and this drops the time balls and corrects the clocks automatically. The transmitting clock that sends out the signals...shortly before noon, from the mean of three standard ••locks, and on every clear night these clocks are themselves verified by observations of the meridian... | |
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