Pritchard, Charles, 1808 - 1893 (headmaster and astronomer)
Person
Found in 2 Collections and/or Records:
File
Correspondence on time balls and signals, 1861 - 1866
File
Reference Code: GBR/0180/RGO 6/615
Scope and Contents
Correspondence and related papers on the time signal and the time ball service. There are various papers on the signalling of time by a falling ball or by cannon fire at Birmingham, Cardiff, Devonport, Edinburgh, Glasgow, Madras, Newcastle, Nice and the Palais Royale, Paris; proposals for time balls at Wellington (New Zealand), Ipswich, and Port Elizabeth; proposals for clocks and bells in Worcester; details of local time signals in 'The Scotsman', 'Daily Review', 'Glasgow Daily Herald',...
Dates:
1861 - 1866
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).
File
Papers on chronometer improvements, 1870 - 1878
File
Reference Code: GBR/0180/RGO 6/594
Scope and Contents
Papers concerning refinements and improvements to chronometers. The volume includes balance stopping apparatus; patent specification for W.J. Thictherner's watches; R.H. Rideout's method for compensating clocks; cheap observatory clocks by J.F. Stanistreet; experiments with sidereal clocks and their barometric inequalities; W.G. Schoof's paper on improvements in the lever escapements for chronometers; apparatus for altering the scale of compensation of chronometers; improved gimballing...
Dates:
1870 - 1878
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).
Filtered By
- Subject: Clocks X
Additional filters:
- Subject
- Birmingham 1
- Cardiff 1
- Chennai 1
- Devonport 1
- Edinburgh 1
- Glasgow 1
- Ipswich 1
- London 1
- Newcastle upon Tyne 1
- Nice 1
- Paris 1
- Port Elizabeth 1
- Time 1
- Wellington 1
- Worcester 1 + ∧ less
∨ more