...revolved in a circle. They then supposed that the earth is fixed, and that the sun moves. They supposed that a bar, or something equivalent, is connected at one end with the earth, and that on some part it carries the sun; and as they saw that the planet Venus was apparently sometimes...

...the first catalogue of the stars — 1081 in number. THE EGYPTIANS. — Egypt, as well as Ohaldea, was noted for its knowledge of the sciences long before...the same way. In the cut, let A be the earth, S the sitn, ABDF the bar (real or imaginary), BO the short bar or crank to which Venus is tied, DE another...

...means even now considered the best — the measurement of an arc of the meridian. PTOLEMAIC THEOBY. — The movements of the planets were to the ancients...earth, S the sun, ABDF the bar (real or imaginary), BO the short bar or crank to which Yenus is tied, DE another bar for Mercury, FG another bar, with...

...revolved in a circle. They then supposed that the earth is fixed, and that the sun moves. They supposed that a bar, or something equivalent, is connected at one end with the earth, and that on some part it carries the sun ; and as they saw that the planet Venus was apparently sometimes...

...this theory assumed that every planet revolves in a circle, and that the earth is the fixed center around which the sun and the heavenly bodies move....further on, Mercury is hitched on in the same way. In Fig. 3, let A be the earth ; S, the sun ; ABDF, the bar (real or imaginary) ; BC, the short bar or...

...this theory assumed that every planet revolves in a circle, and that the earth is the fixed center around which the sun and the heavenly bodies move....directly, but to a sort of crank ; and further on, Mer cury is hitched on in the same way. In Fig. 3, let A be the earth ; S, the sun ; ABDF, the bar...

...circle, and that the earth is the fixed center around which the sun and the heavenly bodies move. They conceived that a bar, or something equivalent, is...not to the bar directly, but to a sort of crank; and farther on, Mercury is hitched on in the same way. They did not fully understand the nature of these...

...planet revolves in a circle, and that the earth is the fixed center around which the sun and other heavenly bodies move. They then conceived that a bar,...further on, Mercury is hitched on in the same way. Let A be the earth ; s, the sun ; ABDF, the bar (real or imaginary) ; BC, the short bar or crank to...

...circle, and that the earth is the fixed center around which the sun and the heavenly bodies move. They conceived that a bar, or something equivalent, is...to the bar directly, but to a sort of crank ; and farther on, Mercury is hitched on in the same way. They did not fully understand the nature of these...

...meridian. We quote from Whewell (Hist. Inductive Science) : "Advocates of the Ptolemaic theory .... conceived that a bar, or something equivalent, is...to the bar directly, but to a sort of crank ; and farther on, Mercury is joined on in the same way. They did not fully understand the nature of these...