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Jeremiah Horrocks: 'Venus in sole visa'

Reference Code: GBR/0012/MS Add.9320

Scope and Contents

The author's own manuscript, 206 folios. (f.3) 'Venus in sole visa: seu tractatus astronomicus de nobilissima Solis et Veneris coniunctione, Novembris die 24, 1639'. Chapter 4 and the last paragraph of chapter 9 are in different hands, and were probably added later. (f.40) 'Venus in sole visa...', the same treatise, in a slightly variant seventeen-chapter version, probably in the same hand. (f.84) 'Jeremiae Horroxj praeludium astronomicum liber primus, De motu solis', an unfinished tract. (f.87v) 'Astronomiae Lansbergianae censura'. (f.110) 'Jeremiae Horroxij Astronomiae Lansbergianae censura&cum Kepleriana comparatio'. (f.135) The rest of the manuscript is substantially blank, but with some headings, English notes on eclipses and geometrical problems, and diagrams.


  • Creation: 1639-1641


Conditions Governing Access

Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (


1 volume(s) (1 volume)

Language of Materials


Immediate Source of Acquisition

The volume was owned formerly by the Hopkinson family, and has the old classmark R.12.7 on the first page and spine. It was possibly handed down from the Yorkshire antiquary John Hopkinson (1610-80). Purchased by the Library at Sotheby's, 24th July 1995.

Existence and Location of Copies

Microfilm available

Related Materials

Manuscript versions also in Flamsteed Papers, RGO 1/68C and 1/76


Blind-stamped calf binding, bands of foliage pattern with intials 'RW' (use of initials known in bindings before 1620).

Language of description
Script of description

Repository Details

Part of the Cambridge University Library Repository

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