Calculations assessing the effect of tides on the Photographic Zenith Tube (PZT), 1956
File
Reference Code: GBR/0180/RGO 43/190
Scope and Contents
The first integration for variation in the north-south deflexion. Harmonic tidal constants from 1877-1952 are included here [most are missing]. The second integration contain further calculations. Tests conducted in November 1956.
Dates
- Creation: 1956
Creator
- From the Series: Royal Observatory, Greenwich (Organization)
- From the Series: Royal Greenwich Observatory (Organization)
Conditions Governing Access
From the Series:
Part restricted. Much of this collection is as yet unprocessed. Requests to view unlisted material should be sent to els57@cam.ac.uk. Access to files RGO 43/78-81 is restricted until 80 years from the date of creation under the terms of the Data Protection Act 2018.
Extent
1 folder(s)
Repository Details
Part of the Cambridge University Library Repository
Contact:
Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom
Map Dept enquiries: maps@lib.cam.ac.uk
all other enquiries: mss@lib.cam.ac.uk
Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom
Map Dept enquiries: maps@lib.cam.ac.uk
all other enquiries: mss@lib.cam.ac.uk