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Transit Circle Books, including adjustment and collimation books, 1836 - 1931

 Sub-Series
Reference Code: GBR/0180/RGO 150/1

Scope and Contents

A large set of books recording errors and adjustments of the Transit Circle. Includes:

2 volumes of Transit Circle adjustment books, 1836-1866 (on printed Forms No. 11 and 11*);

8 volumes of 'Adjustment of Transit Circle in Zenith Distance', 1889-1931 (on printed Forms No. 20 and 20*);

4 volumes of Zenith Points of Transit Circle Books, 1898-1921 (on printed Forms No. 23, 23* and 23**);

3 volumes of readings of the Transit Micrometer for the Transit Circle, 1919-1930 (on printed Forms No. 3 and 4).

Dates

  • Creation: 1836 - 1931

Creator

Conditions Governing Access

From the Management Group:

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 mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).

Extent

4 archive box(es)