Box 5: RGO 43/31-42
Container
Contains 9 Results:
File
Papers relating to the sixth session of CCDS held in Paris in July 1972, 1971 - 1972
File
Reference Code: GBR/0180/RGO 43/34
Scope and Contents
The session was concerned with problems of timing standards, time scales, definitions and notations. Also, a letter from the director of the RGO to H.M. Smith authorising him to accept the chairmanship of a CCDS Working Party for the investigation and discussion of time scales.
Dates:
1971 - 1972
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.
File
Correspondence, reports and memoranda submitted in the seventh session of the CCDS held in Paris in July 1974, 1974
File
Reference Code: GBR/0180/RGO 43/35
Scope and Contents
The session discusses the TAI time scale, the tolerance of UTC and information on the value of the speed of light.
Dates:
1974
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.
File
Papers relating to the purchase by the RGO of its first Free Pendulum Clocks, Shortt numbers 11 and 3, 1924 - 1934
File
Reference Code: GBR/0180/RGO 43/36
Scope and Contents
Correspondence with the suppliers, the Synchronome Clock Company, and with sundry purveyors of ancillary equipment.
Dates:
1924 - 1934
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.
File
Correspondence on Shortt's design for a quartz pendulum, including drawings and letters of F. Hope-Jones and F.W. Dyson, 1929
File
Reference Code: GBR/0180/RGO 43/37
Scope and Contents
From the Series:
Catalogue in progress. Further records will be uploaded over the coming months.
Dates:
1929
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.
File
Performance records of the Shortt No. 3 Free Pendulum Clock, with correspondence on the results, 1924 - 1935
File
Reference Code: GBR/0180/RGO 43/38
Scope and Contents
Correspondents include W. Bowyer, H.M. Smith, W.H. Shortt and F. Hope-Jones.
Dates:
1924 - 1935
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.
File
Correspondence on the maintenance, sale and loan of RGO pendulum clocks, 1938 - 1940
File
Reference Code: GBR/0180/RGO 43/39
Scope and Contents
By this date, free pendulum, or even prototype quartz crystal clocks had come into use for precise timing and the RGO was able to dispose with some of the regulators that had become surplus to requirements.
Dates:
1938 - 1940
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.
File
Performance records of the Shortt No. 11 Free Pendulum Clock, with correspondence on the results, 1926 - 1935
File
Reference Code: GBR/0180/RGO 43/40
Scope and Contents
Correspondents include W. Bowyer, W.H. Shortt and F. Hope-Jones.
Dates:
1926 - 1935
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.
File
Correspondence on the performance of Shortt Free Pendulum Clocks, 1929 - 1937
File
Reference Code: GBR/0180/RGO 43/41
Scope and Contents
With letters from H. Spencer-Jones and F. Hope-Jones.
Dates:
1929 - 1937
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.
File
Correspondence on the performance of Shortt Free Pendulum Clocks, 1940 - 1950
File
Reference Code: GBR/0180/RGO 43/42
Scope and Contents
Correspondence comparing their quality with that of quartz crystal clock.
Dates:
1940 - 1950
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.