Mathematical recreations: or, a collection of many problems extracted out of the ancient and modern philosophers: as, secrets and experiments in arithmetick, geometry, cosmography, horologiography ... &c. ... / Written first in Greek and Latin, lately compil'd in French by Henry van Etten [pseud.], and now in English ... Whereunto is added the description and use of the double horizontal dyal, and the general horological ring: invented and written by William Oughtred.

  • Leurechon, Jean, 1591-1670.
Date:
1674
Catalogue details

Licence: Public Domain Mark

Credit: Mathematical recreations: or, a collection of many problems extracted out of the ancient and modern philosophers: as, secrets and experiments in arithmetick, geometry, cosmography, horologiography ... &c. ... / Written first in Greek and Latin, lately compil'd in French by Henry van Etten [pseud.], and now in English ... Whereunto is added the description and use of the double horizontal dyal, and the general horological ring: invented and written by William Oughtred. Source: Wellcome Collection.

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    fore it would come to the Earth. 221 Of the Suns quickmotion. ibid. Of the rapt and violent motdon of the Starry Firma- ment. * ibid. PROB. XCII. To find the Biffextile Year, the Dominical Letter, the fame inftant,yet the one of them to be a day older than the other ? ibid Certain fine Ubfervations. 232 PROB. XCVII. To make a Triangle that fall have 3 right angles.23 4 PROB. XCVILI. To divide a Line in as many parts as one will, with- out compaffes, or without feeing of it. ibid,