 | Thomas Ewing (of Edinburgh.) - 1868 - 492 páginas
...rising and setting. The hour of sun1 The amplitude of any celestial object is the arc of the horizon between the centre of the object when rising or setting and the E. or W. points of the horizon. — Or, it may be described as the distance from the E., at which the... | |
 | William Clark Russell - 1883 - 244 páginas
...The middle part of a vessel. Also a sea term for the middle part of anything. Amplitude. — An arch of the horizon contained between the centre of the...setting, and the east or west points of the horizon. Anchor. — The well-known iron implement which when dropped overboard with a chain or rope attached... | |
 | Stephen Roper - 1884 - 740 páginas
...Amplitude. — The amplitude is the arch of the horizon contained between the centre of the celestial object, when rising or setting, and the east or west points of the horizon, measured from the east when rising, and from the west when setting. Azimuth. — An azimuth is the... | |
 | Robert Sullivan - 1884 - 510 páginas
...horizon. The Amplitude of a heavenly body is that arc of the horizon, comprehended between an object at rising or setting, and the east or west points of the horizon. The Colures are two great circles which pass through the poles of the heavens, dividing the ecliptic into... | |
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The AMPLITUDE of any object in the heavens is an arc of the horizon, contained between the centre of the object when rising, or setting, and the east or west points of the horizon. Or, it is... 
