1
B A DChord4034AnglesB D CSine97998B C D12369799840343919922939943919922714539532393210583In the ſixth operation the chord, the ſines and Parallax are as
followeth, and the ſtar is found to be about 4 ſemidiameters; let
us ſee whether it will be reduced, abating the Parallax from 8 m.
to 1 m. onely; Here is the operation, and the ſtar raiſed but to
27. ſemidiameters or thereabout; therefore the correction of 7 m.
in 8 m. doth not
B DChord1920B D CSine40248B C D 8 gr.Sine233402481920804960362232402482629772761601981followeth, and the ſtar is found to be about 4 ſemidiameters; let
us ſee whether it will be reduced, abating the Parallax from 8 m.
to 1 m. onely; Here is the operation, and the ſtar raiſed but to
27. ſemidiameters or thereabout; therefore the correction of 7 m.
in 8 m. doth not
In the eighth operation the chord, the ſines, and the Parallax,
as you ſee, are theſe enſuing, and hence the Authour calculates
the height of the ſtar to be 1. ſemidiameter and an half, with the
Parallax of 43. min. which reduced to 1 min. yet
ing giveth the ſtar leſſe remote than 24. ſemidiameters, the
ction therefore of 42. min. is not
as you ſee, are theſe enſuing, and hence the Authour calculates
the height of the ſtar to be 1. ſemidiameter and an half, with the
Parallax of 43. min. which reduced to 1 min. yet
ing giveth the ſtar leſſe remote than 24. ſemidiameters, the
ction therefore of 42. min. is not
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