1us ſee whether by withdrawing it 20. minutes onely, it will riſe
to the height of 32. ſemidiameters: See the ſhort and true
tion. Multiply the ſine of the angle B D C, by the ſine of the
chord B D, and divide the product, the five laſt figures being cut
off by the ſine of the Parallax, and the quotient will be 28.
midiameters, and an half, ſo that though you make a correction
of 4 gr. 22 min. 30 ſec. taken from 4 gr. 42 min. 30 ſec. it ſhall
not elevate the ſtar to the altitude of 32. ſemidiameters, which
correction for Simplicius his underſtanding it, is of 262. minutes,
and an half.
gr.m.gr.m.ſec.HainzeliusPole4832----*763430MaurolicusPole3830----*62000095214343095200Parallax44230gr.m.ſec.B A D95200Chord17200AnglesB D C1082130Sine94910B C D02000Sine58294910172001898200066437949128582163245200046882to the height of 32. ſemidiameters: See the ſhort and true
tion. Multiply the ſine of the angle B D C, by the ſine of the
chord B D, and divide the product, the five laſt figures being cut
off by the ſine of the Parallax, and the quotient will be 28.
midiameters, and an half, ſo that though you make a correction
of 4 gr. 22 min. 30 ſec. taken from 4 gr. 42 min. 30 ſec. it ſhall
not elevate the ſtar to the altitude of 32. ſemidiameters, which
correction for Simplicius his underſtanding it, is of 262. minutes,
and an half.
In the ſecond operation made upon the obſervations of
zelius, and Sculerus, with the Parallax of 0 gr. 8 min. 30 ſec.
the ſtar is found in the height of 25. ſemidiameters or
bouts, as may be ſeen in the ſubſequent
zelius, and Sculerus, with the Parallax of 0 gr. 8 min. 30 ſec.
the ſtar is found in the height of 25. ſemidiameters or
bouts, as may be ſeen in the ſubſequent