The Philosophical Transactions of the Royal Society of London, from Their Commencement, in 1665, to the Year 1800 (Volume 8); 1735-1743 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1809. Excerpt: ... N. B. The observatory clock was l minute 50 seconds too slow, which being added all the way, will give true time. 6. The same observed at the Institute of Bononia. p. 199. The eclipse began at 3h 33m 35s, being more than 7 minutes sooner than the calculation made it. 7. The same observed at the Aventine Hill at Rome. By the Abbe de Revillas, p. 200. The beginning there was at 3h 43m. 8. The same Eclipse observed at Wittemberg. By J. F. Weidler. p. 201. Neither the beginning nor the end was seen; only some digits were observed on the decrease; particularly 8 digits were eclipsed at 4h 50m 31s. A Proposal to make the Poles of a Globe of the Heavens move in a Circle round the Poles of the Ecliptic. By the Rev. Ebenezer Latham, M. D. and V.D.M. N 447, p. 201. As we now have the globes of the heavens, they are only formed for the present age, and do not serve the purposes of chronology and history, as they might, if the poles on which they turn were contrived to move in a circle round those of the ecliptic, according to the present obliquity of this. By this means we might have a view of the heavens suited to every period, and that would' answer the ancient descriptions, those of Eudoxus, for instance, who is supposed to borrow his from the most early observations; and of Hipparchus, &c. Nor could any contrivance better enable the lowest reader to judge of the merits of the controversy about the Argonautic expedition, as far as it depends on this: for it will verify to the sight the path of the colours, &c. at any time. N. B. That globes, to answer the end here proposed, though differently constructed, had long before been made and published by Mr. Senex, who at the next meeting of the R.S. gave the following account of his contrivance. A Contrivance to make t...