Harmonicon coeleste: or, the coelestiall harmony of the visible world / conteining, an absolute and entire piece of astronomie. Wherein is succinctly handled the trigonometricall part, generally propounded, and particularly applyed in all questions tending to the diurnall motion. Especially respecting, and truly subservient to the main doctrine of the second motions of the luminaries and the other planets : together with their affections as eclipses &c. Grounded upon the most rationall hypothesis yet constituted, and compared with the best observations that are extant, especially those of Tycho Brahe, and other more modern observators ... By Vincent Wing, philomathemat.

  • Vincent Wing
Date:
1651
Catalogue details

Licence: Public Domain Mark

Credit: Harmonicon coeleste: or, the coelestiall harmony of the visible world / conteining, an absolute and entire piece of astronomie. Wherein is succinctly handled the trigonometricall part, generally propounded, and particularly applyed in all questions tending to the diurnall motion. Especially respecting, and truly subservient to the main doctrine of the second motions of the luminaries and the other planets : together with their affections as eclipses &c. Grounded upon the most rationall hypothesis yet constituted, and compared with the best observations that are extant, especially those of Tycho Brahe, and other more modern observators ... By Vincent Wing, philomathemat. Source: Wellcome Collection.

    50/350 (page 18)
    h:N • 1 41 50 :0. Iti the Caiciilation of the motions of the Planets, it often times happeneth that the Anomalie of the Excentrique confifts not always of even Signes and Degrees, but for the moft part,hath min. and fcconds annexed,therfore,that the Equation in theTables may readdy be found,we are to feeke the Proportionall part by the SexagenafieTable. For as one Deg. or 60', to the Variation, or Difference of iEquatiotis anfwering thereto. So is the minutes and feconds abounding, or exceeding the Dejgree of the Anomalie, to the Proportion of the ^Equation fought forV .' ** Siippofe the Anomalie of d' be i*. i o^. 15*' 25'''. and hi^ Eqnatioabe required. Operktion. ’ ! r- The Anomalie of ^ *?Equations.^ T he Difference of Equations is ^ ' r ‘ Then I fay, If one degree or do', give 8'. -2— wha^;^kll f 5^ 25'^* TheRefolution. 25'* c. 8 ; 2 , I ' 30- 20, j: .1 ■■■L- y o •2 O_1. . '• '.i - * / f'. 50 yo. The Prdpoit. Part retired. Equation anfwering to I*. 10^186*^.13'. 12.^ - Part Proport. Adde, ‘ 2 3 51. ^ ^ Equation equated to IMo^ 15' 2s''- is ^75^ /5jf 5^* In the Canon of art ificiatl Sims ana Tangents. ' ! * Supofe the Tangent given be 9 619 7 B 9, and it is requited to finde the Arch corre-* fponding thereunto. The next leffer is 96197 20 Next greater 9620076 5i^96i97'89^ 69 . 35^’ ^9' •* ^o. I2. r\ /it r\ The Worker 961^720 7 f 9620076 5350 12''. 12 Arches* 22* Therefore the Arch fought is 22*^. 37 Thento find the Tangent o^ 22'^. 37 37 - ^ 9619720? ])jffgj.encc 3 56 ad 60'. 22 38-9620076^ 60. ‘12^' : : 356. 70- 9619720 -f 70 == t. 22*1 37'-X2> ' In the Chiliads, The Number given is 9 7 3 290. and the Logarithme thereof is required. Numbers S ^ ^ 3 ‘ ?Logarith. S ^ ^“^^Dif. 4 5 ad 100. 2,9533.003 ° C979^'^9j ^ 100. 45. 90. 404* < Er^c,toLog. 979184 . ; Adde 40 4 7 Log. anfwering to the number given 979 224 2 &'vicev&rfa. And here you mufl note, that the firfi: figure towards the left hand is the Carade- rlflique, which we account o, or nothing, when the number given is under 10, then from io to a TOO it is accounted i, from 100 to 1000, 2, from 1000 to 10000, 3.from . 3 000^0 ! 00000 4, and fo on,* whereby you may perceive its eafie to difeerne the Chmffique of any number. The End Of The First Part. N