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Astronomia Britannica exhibiting the doctrine of the sphere, and theory of the planets decimally by trigonometry, and by tables : fitted for the meridian of London ... / by John Newton ...

About this Item

Title
Astronomia Britannica exhibiting the doctrine of the sphere, and theory of the planets decimally by trigonometry, and by tables : fitted for the meridian of London ... / by John Newton ...
Author
Newton, John, 1622-1678.
Publication
London :: Printed for the author by R. and W. Leybourn, and are to be sold by Thomas Piercepoint ...,
1657.
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Subject terms
Astronomy -- Early works to 1800.
Planetary theory -- Early works to 1800.
Astronomy -- Mathematics -- Early works to 1800.
Link to this Item
http://name.umdl.umich.edu/A52255.0001.001
Cite this Item
"Astronomia Britannica exhibiting the doctrine of the sphere, and theory of the planets decimally by trigonometry, and by tables : fitted for the meridian of London ... / by John Newton ..." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A52255.0001.001. University of Michigan Library Digital Collections. Accessed June 21, 2025.

Pages

Page 112

2 Operation.

As Radius 10. 0000000
To the Cotang.47. 224949. 9662367
So tang. half sum9. 612089. 2287955
To the tang. half dif.8. 905559. 1950324

Evection 0. 70653. Subtract because the Synodical anomaly is lesse then 180.

Then for the variation, I enter the Table with the Moones double distance 22678322; and using the part proportional I find it to be 0. 49186 subtract.

The Evection to be subtracted is
0. 70653
The Variation to be subtracted is
. 49186
Their summe
1. 19839
Subtract from the Moons Eccentrick place
87. 46529
There rests the Moones place in her Orbe
86. 26690
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