Box 2: RGO 156/1/4-6
Container
Contains 3 Results:
Item
'Register of photographs taken with the Thompson Equatorial from 1912 Jan. 28, No. 4389, to 1914 April 19, No. 5336', 28 January 1912 - 19 April 1914 and February 1966
Item
Reference Code: GBR/0180/RGO 156/1/4
Scope and Contents
Volume of printed 'Forms No.282' with handwritten entries for photographic plates (nos 4389-5336) made with the Thompson Equatorial Group. Entries give the following information: plate number, date, object photographed, clock times of exposure (begun, ended, duration), mean of clock times, clock error, observer (initials of), instrument, focus, plate (type, e.g. Monarch, Empress etc.), and remarks (e.g. 'sky poor', etc.). Note: there are many gaps in the plate number sequence...
Dates:
28 January 1912 - 19 April 1914 and February 1966
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).
Item
'Register of Thompson Equatorial [photographs] from 1914 April 20 - 1916 December 25', Plates No. 5337-6244, 20 April 1914 - 25 December 1916 and March 1966
Item
Reference Code: GBR/0180/RGO 156/1/5
Scope and Contents
Volume of printed 'Forms No.282' with handwritten entries for photographic plates (nos 5337-6244) made with the Thompson Equatorial Group. Entries give the following information: plate number, date, object photographed, clock times of exposure (begun, ended, duration), mean of clock times, clock error, observer (initials of), instrument, focus, plate (type, e.g. Monarch), and remarks (e.g. 'definition good', etc.). Many plates are registered as 'photometry' or 'parallax' plates....
Dates:
20 April 1914 - 25 December 1916 and March 1966
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).
Item
Register of Photographs with the Thompson Equatorial: '[Plates No.] 6245-7647, 1916 December 25 - 1920 December 22', 25 December 1916 - 22 December 1920 and March 1966
Item
Reference Code: GBR/0180/RGO 156/1/6
Scope and Contents
Volume of printed 'Forms No.282' with handwritten entries for photographic plates (nos 6245-7647) made with the Thompson Equatorial Group. Entries give the following information: plate number, date, object photographed, clock times of exposure (begun, ended, duration), mean of clock times, clock error, observer (initials of), instrument, focus, plate (type, e.g. Monarch), and remarks (e.g. 'definition good', etc.). Many plates are registered as 'photometry' or 'parallax' plates....
Dates:
25 December 1916 - 22 December 1920 and March 1966
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).