A Gage Block Measurement Process Using Single Wavelength Interferometry, Issues 152-155U.S. Department of Commerce, National Bureau of Standards, 1975 - 30 pages |
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... minutes a day in February and November . These effects are pre- dictable and cause no serious problem , but there are also signifi- cant , unpredictable variations . Gradually , man - made clocks became so much more stable and precise ...
... minutes a day in February and November . These effects are pre- dictable and cause no serious problem , but there are also signifi- cant , unpredictable variations . Gradually , man - made clocks became so much more stable and precise ...
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... minutes , or by 3600 gives us hours . The length of days , and even years , is measured by the basic unit of time , the second . Time intervals of less than a second are measured in 10ths , 100ths , 1000ths - on down to billionths of a ...
... minutes , or by 3600 gives us hours . The length of days , and even years , is measured by the basic unit of time , the second . Time intervals of less than a second are measured in 10ths , 100ths , 1000ths - on down to billionths of a ...
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... minutes . So if a navigator has a very accurate clock aboard his ship one that can tell him very accurately the time at Green- wich or the zero median - he can easily figure his longitude . He simply gets the time where he is from the ...
... minutes . So if a navigator has a very accurate clock aboard his ship one that can tell him very accurately the time at Green- wich or the zero median - he can easily figure his longitude . He simply gets the time where he is from the ...
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... voyage to Jamaica to test the instrument . In spite of a severe storm that lasted for days and drove the ship far off course , the chronometer proved to be amazingly accurate , losing I less than 1 minute over a period of many 20 20.
... voyage to Jamaica to test the instrument . In spite of a severe storm that lasted for days and drove the ship far off course , the chronometer proved to be amazingly accurate , losing I less than 1 minute over a period of many 20 20.
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John S. Beers. I less than 1 minute over a period of many months and making it possible for William to determine his longitude at sea within 18 minutes of arc , or less than 1 % of one degree . Harrison claimed the £ 20,000 award , part ...
John S. Beers. I less than 1 minute over a period of many months and making it possible for William to determine his longitude at sea within 18 minutes of arc , or less than 1 % of one degree . Harrison claimed the £ 20,000 award , part ...
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Common terms and phrases
1817 LIBRARIES air Å antiparticles Appendix atomic clocks broadcast Bureau of Standards cesium charge conjugation Classification length Wave Classified Lines cm 1 Tube cm 1 Wave cm Tube Spark commutation relations components earth electronic energy g-values gage block gauge hafnium Hf 1-Continued Hilbert space Intensity Classification length Intensity length Wave interferometer invariance JOHN ROBB JOHNNY HART Lagrangian Landé leap second length air length Wave number Lines of Hf Lorentz group Lorentz transformation matrix measurement Meggers MICHIGAN microinch momentum National Bureau number o-c cm number Wave number O-C 1 cm Observed and Classified operator oscillator particles pendulum Phys physical quency radio signal representation rotation rubidium sine waves Spark Wave number speed spinors star swings synchronized temperature theory tion Tube Spark o-c Tube Spark Wave vector watch Wave number air Wave number cm Wave number O-C Wave number Wave wavelength Zeeman zero
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