A treatise of eclipses of the sun and moon for thirty-five years, commencing anno 1715, ending 1749 : containing the beginning, middle and ending, the digits eclipsed together, with the types of those that will be visible at London, with the general times of the solar eclipses, and the limits of the shade of the moon determined to which are added, the calculations of the times of the transits of Venus and Mercury over the sun, with the types thereof, for seventy-nine years and the conjunctions of Jupiter and Saturn, to the year 1821 / by Charles Leadbetter.
- Charles Leadbetter
- Date:
- 1731
Licence: Public Domain Mark
Credit: A treatise of eclipses of the sun and moon for thirty-five years, commencing anno 1715, ending 1749 : containing the beginning, middle and ending, the digits eclipsed together, with the types of those that will be visible at London, with the general times of the solar eclipses, and the limits of the shade of the moon determined to which are added, the calculations of the times of the transits of Venus and Mercury over the sun, with the types thereof, for seventy-nine years and the conjunctions of Jupiter and Saturn, to the year 1821 / by Charles Leadbetter. Source: Wellcome Collection.
14/194
No text description is available for this image
No text description is available for this image
No text description is available for this image![ERRATA, Hat Errors have efcaped the PrefS, the Reader is defired to Correct as follows, ” : Pag.2. lin. r1. for 13 deg. r. 43 deg. lin. 30. for Honageffima r. — Nonageffima deg. Vp. 3.-1,1§. 1, Nonazefima deg. YW. pag. 4 above the Type read: : . cf a M7. Se | ‘ épinning rs) pe Lat. ); {een at Et a ic) a es North Afcending, And in the Type of the Swi’s Eclipfe, April 22. 1715. the Rays of the Sux ought not to appear in the Moon's Body above. IntheScheme, p.s- houfe 13. for € 20 40: 1 & 20 40. and onthe Cufp of the 24, for §% 1 5). p.8. inthe Scheme before the Cufp of the 2d.r. $4 10, afd on the Cufp adr, 0) 16. and ftrike out ‘y. on the Cufp 3d. 3. Pf 11. before the Cufp gth. read @ 18, and in the fame houfe firike out % 25. onthe Cefp 4th. r. p22. and on the Gufp 5.1. } 25, and ftrike out 81 3 and P11. on the Cufp of the Shr. & 16. and before the fame Cufp r, & 10. p.9. inthe Type, the two Stars A and B ought to touch the. ),, and |. 29. for 16 m7. 105. %. % 16 deg. dom. p.is- 1.27. r, Time of Incidence or half duration 14.54 m. 32 5. andl. 29.1, 48 97% 23 5.19, in Scheme in the Cufp 6 houfe, for mm 5. My s-and in the sth houfe ftrike out © 5 4429. p.20. L290, for a Night r. at Night. p.21. in the Scheme, for Uf 20 in the rith houle,r. $% 20. p.2gel. 24. for continuation x, continuance. p.25. 1, 9. for oxe r. zene, and in the Scheme houfer for Q y. &, and-ia _ the 7 houfe for Yr. }. p. 28- in Scheme Cufpro. tor 28 ri23 deg. and houfe 7. r. ). p. 30-1; 13.1. a {quareé of Y A «< p. 31.1. 22. for falling read following’ true ig . p-32. 1.9.1, Sun’s place aT 1 deg. 41m, 21 s,and I. 15. r. Declination Culminating Pornt North; and 1. 20..f0r 18 17, 485,17. 18 27. 49 56 p.-40. In the Afcendant r, y¥ 21R P.41.].3. for $3 5. 1-55 5, and in the Scheme r, h direct. P.43.in the Scheme TG and Vp ty. P. 44. in theScheme r, §% HK and op Uy. In the Scheme p. $8. {trike out * of the 7th houfe, P.59. in the Year 1734. read both of the Sun invifible; and for 1733, read 1735. p.62. 3.27. read Tota] Duration 3 4. 29 m. 36 5. P. 68. 1.13. read Altitude Nonagefima deg. 54 deg. 35 min. and line 14. for 28 read 26. P. 77. line 3. tor Middle or greatef? darknefs r. True Ecliptick 8. and 1. 4. for True Eclipteck § read Middle or greateft darkne/s.](https://iiif.wellcomecollection.org/image/b33004675_0014.jp2/full/800%2C/0/default.jpg)