Show Naval Observatory Clocks Are re Tops To the most of us seconds and minutes have very little importance For that reason it is hard for us to realize the exquisite exactness with which the government tries to mark the passing of every second of time The clocks in the Naval Observatory Observatory Observatory tory are the most accurate in the a l world and special pains are taken to see that they remain so at all al times The standard clocks keep mean meantime meantime meantime time which is the division of the days into hours minutes and sec sec- Regulation of the clocks is so exacting that the daily rate meaning meaning meaning mean mean- ing loss or gain is so small that i ican it itcan itcan can not be measured The clocks are regulated by coincidence coincidence coin coin- of the beats with a sidereal sounder The clocks beat so silently that microphones must be used to magnify the beats in order that they might be heard at all |