Skip to main content

Correspondence on transit of Venus, 1868 - 1878

Reference Code: GBR/0180/RGO 6/278

Scope and Contents

Correspondence on instruments used in observing the transit of Venus. The correspondents include W.B. Birt, A.V. Auwers, A. de Morgan, W. De La Rue, W. Huggins, J.N. Lockyer, Miss Naylor, Mr Troughton and W. Simms. The papers include thermometer examination certificates issued by Kew Observatory; lists of instruments used in the transit of Venus observations; reports on the Altrincham (Naylor) and Hartwell (Lee) Equatorials; an illustrated single page catalogue of the theodolites made by Mr Troughton and W. Simms; diagrams from Airy on a 'Frame for Photograph Glasses'; and general correspondence on the lending and receiving of instruments.


  • 1868 - 1878

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 (


2 archive box(es) (2 boxes)

Language of Materials