Recreations in science and natural philosophy: Dr. Hutton's translation of Montucla's edition of Ozanam [electronic resource] (1844)
Ozanam, Jacques, 1640-1717, Montucla, Jean Etienne, 1725-1799, Hutton, Charles, 1737-1823, Riddle, Edward, 1788-1854, Crosby, Thomas Boor, Sir, 1830-1916 former owner, St. Thomas's Hospital. Medical School Library former owner, King's College London · London, printed for Thomas Tegg... · leaf 530
s necessary but to consider it as if it were horizontal, and to trace out on it the meridian by the same method : the line resulting will be the substyle, the determination of which is very necessary for constructing inclined or declining dials, and those which are both at the same time. PROBLEM… … Remarks. — I. When this equinoctial dial is erected, if the hour-lines (ook towards the heavens, it is called a superior dial, but if they are turned towards the earth, an inferior. II. A superior equinoctial dial shews the hours of the day only in the spring and summer ; and an inferior one only…
Chemistry · Scientific recreations · Physics
Internet Archive · King's College London, Foyle Special Collections Library · Public domain (published before 1931). Free to use for anything.
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