• Occultations observed at Poona 

  Jacob, W. S (Royal Astronomical Society, 1848-03)
• Micrometrical measures of 120 double or multiple stars, taken at the honourable East India company's observatory at Madras in the years 1856-58 

  Jacob, W. S (Royal Astronomical Society, 1858-12)
• Occultation of the Pleiades by the Moon, on Nov. 12, 1856, as observed at Madras 

  Jacob, W. S (Royal Astronomical Society, 1857-01)
• Observation of α Centauri 

  Jacob, W. S (Royal Astronomical Society, 1856-11)
• On the projection of stars on the disk of the Moon 

  Jacob, W. S (Royal Astronomical Society, 1856-11)
• Note on the orbit of α centauri and on the rings of Saturn 

  Jacob, W. S (Royal Astronomical Society, 1856-03)
• Observations of α Centauri and other double stars made at Poona 

  Jacob, W. S (Royal Astronomical Society, 1848-03)
• On the ring of Saturn and on Jupiter's Satellites 

  Jacob, W. S (Royal Astronomical Society, 1861-11)
• Note on two drawings of Saturn 

  Jacob, W.S (Royal Astronomical Society, 1862-01)
• On the ring of Saturn and on Jupiter's satellites 

  Jacob, W. S (Royal Astronomical Society, 1861-06)
• Note from Capt. W. S. Jacob to the editor 

  Jacob, W. S (Royal Astronomical Society, 1859-10)
• Note on the triplicity of v Scorpii 

  Jacob, W. S (Royal Astronomical Society, 1859-07)
• Right ascension and north polar distance of the minor planets, from Observations made at the Madras Observatory in the years 1853-1857 

  Jacob, W. S (Royal Astronomical Society, 1859-04)
• Note respecting the parallax of alpha herculis 

  Jacob, W. S (Royal Astronomical Society, 1860-04)
• Extract of a letter, dated Dec. 9th, from W. S. Jacob, Esq., to one of the secretaries 

  Jacob, W. S (Royal Astronomical Society, 1859-11)
• Extract of a Letter from Captain Jacob to Sir William Keith Murray. 

  Jacob, W. S (Royal Astronomical Society, 1858-04)
• Account of the performance of Mr. Fletcher's new equatoreal 

  Jacob, W. S (Royal Astronomical Society, 1860-04)
• Catalogue of 317 stars selected from the B.A. Catalogue (being such as were supposed to have large proper motions), deduced from Observations made at the Honourable E. L Company's Observatory at Madras in the Years 1853-7 

  Jacob, W. S (Royal Astronomical Society, 1858-12)
• Occultation of the Pleiades observed at Madras, 6th October, 1857 

  Jacob, W.S (Royal Astronomical Society, 1857-12)
• Note from Capt. Jacob to the Editor, relative to the Ternary star 5 I Librae 

  Jacob, W. S (Royal Astronomical Society, 1858-07)

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