Box 18: RGO 101/1/RY4/Y-Z & TA/Y-Z
Container
Contains 2 Results:
Sub-Series
TA: PZT [Photographic Zenith Tube] Drawings, c.1955-1984
Sub-Series
Reference Code: GBR/0180/RGO 101/1/TA
Scope and Contents
A set of drawings of the Photographic Zenith Tube [PZT], originally rolled together and labelled, 'TA PZT [Photographic Zenith Tube], 1st system Nos. not m/f'. They include drawings of V, W, X, Y and Z sized sheets, Z being the smallest.A PZT is a specialised transit telescope with which the latitude and longitude of its position can be measured with a precision of a few hundredths of a second of arc and a few milliseconds of time respectively. Its main uses by the Royal...
Dates:
c.1955-1984
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).
Sub-Series
RY: Old INT Miscellaneous, 1961-1978 (bulk) and 1983
Sub-Series
Reference Code: GBR/0180/RGO 101/1/RY4
Scope and Contents
A set of 160 technical drawings relating to the Isaac Newton Telescope at RGO Herstmonceux. Many are untitled. Originally rolled together in four rolls marked 'RY Old INT Miscellaneous, 1st system Nos. not m/f'. Includes a set of miscellaneous sized drawings, followed by three sets of drawings of sheet sizes X, Y and Z, Z being the smallest.
Dates:
1961-1978 (bulk) and 1983
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).