The elements of geometrie of the most auncient philosopher Euclide of Megara. Faithfully (now first) translated into the Englishe toung, by H. Billingsley, citizen of London. Whereunto are annexed certaine scholies, annotations, and inuentions, of the best mathematiciens, both of time past, and in this our age. With a very fruitfull præface made by M. I. Dee, specifying the chiefe mathematicall scie[n]ces, what they are, and wherunto commodious: where, also, are disclosed certaine new secrets mathematicall and mechanicall, vntill these our daies, greatly missed

About this Item

Title
The elements of geometrie of the most auncient philosopher Euclide of Megara. Faithfully (now first) translated into the Englishe toung, by H. Billingsley, citizen of London. Whereunto are annexed certaine scholies, annotations, and inuentions, of the best mathematiciens, both of time past, and in this our age. With a very fruitfull præface made by M. I. Dee, specifying the chiefe mathematicall scie[n]ces, what they are, and wherunto commodious: where, also, are disclosed certaine new secrets mathematicall and mechanicall, vntill these our daies, greatly missed
Author
Euclid.
Publication
Imprinted at London :: By Iohn Daye,
[1570 (3 Feb.]]
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Subject terms
Geometry -- Early works to 1800.
Link to this Item
http://name.umdl.umich.edu/A00429.0001.001
Cite this Item
"The elements of geometrie of the most auncient philosopher Euclide of Megara. Faithfully (now first) translated into the Englishe toung, by H. Billingsley, citizen of London. Whereunto are annexed certaine scholies, annotations, and inuentions, of the best mathematiciens, both of time past, and in this our age. With a very fruitfull præface made by M. I. Dee, specifying the chiefe mathematicall scie[n]ces, what they are, and wherunto commodious: where, also, are disclosed certaine new secrets mathematicall and mechanicall, vntill these our daies, greatly missed." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A00429.0001.001. University of Michigan Library Digital Collections. Accessed June 14, 2024.

Pages

16 And that point is called the centre of the circle, as is the point A, which is set in the middes of the former circle.* 1.1

For the more easy declaration, that all the lines drawen from the centre of the circle to the circumference, are equall, ye must note, that although a line

[illustration]
be not made of pointes: yet a point, by his motion or draught, de∣scribeth a line. Likewise a line drawen, or moued, describeth a su∣perficies also a superficies being moued maketh a solide or bodie. Now thē imagine the line AB, (the point A being fixed) to be mo∣ued about in a plaine superficies, drawing the point B continually about the point A, till it returne to the place where it began first to moue: so shall the point B, by this motion, describe the circum∣ference of the circle, and the point A being fixed, is the centre of the circle. Which in

Page [unnumbered]

all the time of the motion of the line, had like distance: from the circumference, name∣ly, the length of the line AB. And for that al the lines drawn from the centre to the cir∣cumference are described of that line, they are also equal vnto it, & betwene thēselues.

Notes

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