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Now showing items 21-40 of 869

Occultations observed at Poona

Jacob, W. S (Royal Astronomical Society, 1848-03)
Annular eclipse of Oct. 8-9, 1847

Jacob, W. S (Royal Astronomical Society, 1848-06)
Extract of a letter from W.S.Jacob, Esq. inclosing two sheets of diagrams of solar spots observed at Poona, in December 1848, and January and February 1849

Jacob, W. S (Royal Astronomical Society, 1849-04)
On the Limits of error in the elements of the Orbit of α Centauri, and on the orbits of p Eridani and 6I Cygni

Jacob, W. S (Royal Astronomical Society, 1850-06)
Extract of a letter from Capt. W. S. Jacob of the Madras Observatory

Jacob, W. S (Royal Astronomical Society, 1852-04)
Remarks on Saturn as seen with the Madras equatoreal (by Lerebours and Secretan; focus, 89 in., aperture, 6.2 in.)

Jacob, W. S (Royal Astronomical Society, 1853-06)
On the parallax of α Herculis

Jacob, W. S (Royal Astronomical Society, 1853-06)
Astronomical observations made at The Honorable The East India Company's observatory at Madras for the years 1848-1852, Vol.8

Worster, W. K; Jacob, W. S (Government Observatory, Madras, 1854)
Double stars observed at Madras with the Lerebours equatoreal

Jacob, W. S (Royal Astronomical Society, 1854-06)
Remarks on the Orbits of α Centauri and σ Coronae Borealis

Jacob, W. S (Royal Astronomical Society, 1855-04)
On the computation of double star orbits

Jacob, W. S (Royal Astronomical Society, 1855-06)
On certain anomalies presented by the binary star 70 Ophiuchi

Jacob, W. S (Royal Astronomical Society, 1855-06)
Note on the rings of Saturn and on the orbit of α Centauri

Jacob, W. S (Royal Astronomical Society, 1856-03)
Note on the orbit of α centauri and on the rings of Saturn

Jacob, W. S (Royal Astronomical Society, 1856-03)
On the projection of stars on the disk of the Moon

Jacob, W. S (Royal Astronomical Society, 1856-11)
Observation of α Centauri

Jacob, W. S (Royal Astronomical Society, 1856-11)
Occultation of the Pleiades by the Moon, on Nov. 12, 1856, as observed at Madras

Jacob, W. S (Royal Astronomical Society, 1857-01)
From letters of Captain Jacob to Mr.Grant

Jacob, W. S (Royal Astronomical Society, 1857-04)
Observations in the Saturnian system

Jacob, W. S (Royal Astronomical Society, 1857-07)
Abstract of results of measurements of Saturn's Satellites made at the Madras Observatory in 1856-7, with the Lerebours Equatoreal. Ap. 6.3 in., foc. 88.6 in., power usually employed 174

Jacob, W. S (Royal Astronomical Society, 1857-11)

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