Mathematicall recreations. Or a collection of sundrie problemes, extracted out of the ancient and moderne philosophers, as secrets in nature, and experiments in arithmeticke, geometrie, cosmographie, horolographie, astronomie, navigation, musicke, opticks, architecture, staticke, machanicks, chimestrie, waterworkes, fireworks, &c. ... Most of which were written first in Greeke and Latine, lately compiled in French, by Henry Van Etten Gent. And now delivered in the English tongue, with the examinations, corrections, and augmentations.

About this Item

Title
Mathematicall recreations. Or a collection of sundrie problemes, extracted out of the ancient and moderne philosophers, as secrets in nature, and experiments in arithmeticke, geometrie, cosmographie, horolographie, astronomie, navigation, musicke, opticks, architecture, staticke, machanicks, chimestrie, waterworkes, fireworks, &c. ... Most of which were written first in Greeke and Latine, lately compiled in French, by Henry Van Etten Gent. And now delivered in the English tongue, with the examinations, corrections, and augmentations.
Author
Etten, Hendrick van.
Publication
Printed at London :: By T. Cotes, for Richard Hawkins, dwelling in Chancery Lane, neere the Rowles,
1633.
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Subject terms
Science -- Early works to 1800.
Scientific recreations -- Early works to 1800.
Fireworks -- Early works to 1800.
Cite this Item
"Mathematicall recreations. Or a collection of sundrie problemes, extracted out of the ancient and moderne philosophers, as secrets in nature, and experiments in arithmeticke, geometrie, cosmographie, horolographie, astronomie, navigation, musicke, opticks, architecture, staticke, machanicks, chimestrie, waterworkes, fireworks, &c. ... Most of which were written first in Greeke and Latine, lately compiled in French, by Henry Van Etten Gent. And now delivered in the English tongue, with the examinations, corrections, and augmentations." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A00425.0001.001. University of Michigan Library Digital Collections. Accessed May 6, 2024.

Pages

Of the Latitude of Countries.

LAtitude of a Countrey is the distance of a Countrey from the Equinoctiall, or it is an Arke of the Meridian contained betweene the Zenith of the place and the Aequator; which is twofold, viz. either North Latitude or South Latitude, eyther of which extendeth from the Equinoctiall to eyther Pole; so the grea∣test Latitude that can be is but 90. degrees: If any Northerne Countrey have the Articke Circle verticall, which is in the Latitude of 66. gr. 30. m. the sunne will touch the Horizon in the North part thereof, and the longest day will be there then 24. houres: if the Countrey have lesse Latitude than 66. degrees 30. m. the sunne will rise and set; but if it have more La∣titude than 66. gr. 30, m. it will bee visible for many dayes: and if the Countrey bee under the Pole, the sunne will make a Circular motion above the Earth and be visible for a halfe yeare: so under the Pole there will be but one day, and one night in the whole yeare.

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