OBSERVATION n. 7 definitions
th suitable instruments, some magnitude, as the time of an occultation, with a clock; the right ascension of a star, with a transit instrument and clock; the sun's altitude, or the distance of the moon from a star, with a sextant; the temperature, with a thermometer, etc.
ONE n. 12 definitions
Shak. He will hate the one, and love the other. Matt. vi. 24. That we may sit, one on thy right hand, and the other on thy left hand, in thy glory. Mark x. 37. After one, after one fashion; alike. [Obs.] Chaucer. -- At one, in agreement or concord. See At one, in the Vocab. -- Ever in one, continually; perpetually; a…