Time
Found in 55 Collections and/or Records:
Articles, 1971 - 1979
Articles on time measurement, 1938 - 1967
Reprinted articles and some additional papers, in English, French and German, on the measurement of time.
Astronomical enquiries, 1916 - 1936
‘Centenary of the Greenwich Meridian’ stamps: two first day covers, 1984-06-26
Two first day covers each bearing four stamps issued for the 1984 ‘Centenary of the Greenwich Meridian’. The stamps show: a view of the Earth from the Apollo 11 (16p), a navigational chart of the British Channel (20.5p), the Royal Greenwich Observatory (28p), and Sir George Airy’s Transit Circle (31p). The first set is on an envelope with a printed image of Flamsteed House; the second is on an envelope with a printed image of the Meridian.
Chronology, c 1650-c 1750
The Macclesfield Collection principally comprises the archives of John Collins (1625-1683) and William Jones (1675-1749). As well as being mathematicians in their own right, both men corresponded with leading scientific figures of their day and so the collection includes autograph material by Isaac Newton, Edmond Halley, Henry Briggs, Roger Cotes, Henry Oldenburg and Robert Hooke.
Clock comparisons and time signals, 1924 - 1925
Correspondence about the Association for the Social Studies of Time, 1984 - 1994
Mainly concerns ASSET conferences.
Correspondence on galvanic signals, 1852 - 1855
Correspondence on galvanic time, 1849 - 1855
Correspondence on galvanic time, 1855 - 1858
Correspondence on the Deal Time Ball, 1877 - 1913
Correspondence on the Deal time ball, 1852 - 1855
Correspondence regarding the time ball at Deal, much of it concerning the construction of the station. The correspondents include Sir F. Beaufort, J.T. Walker, W. Richards and A. Hall. The papers include a diagram of triangulation between St Peters, Thanet, Dover Castle and Paddlesworth.
Correspondence on the Deal time ball, 1855 - 1858
Correspondence with J. Washington, J.C. Clark and C.V. Walker and others regarding the time ball at Deal. There is also a plan of the magnets of the Deal Time Ball and two maps of the South Eastern Railway and connecting railways in Europe.
Correspondence on the Deal time ball, 1858 - 1863
Correspondence on the day to day running of the time ball at Deal, its telegraphic communications with Greenwich, and the transfer of ownership from the Admiralty to the South Eastern Railway. The correspondents include C.V. Walker, J. Washington and C.E. Paget.
Correspondence on the Deal time ball, 1864 - 1868
Correspondence on the day to day running of the time ball at Deal and its telegraphic communications with Greenwich. There are also papers on the sale of the Deal naval dockyard and time ball; Airy's report on a visit to the Deal Time Ball; instructions and orders for W. Newby, the time ball attendant; and a poster explaining the Deal Time Ball service and the refurbishment of the time ball tower. The correspondents include W.G. Romaine, C.V. Walker and J. Field.
Correspondence on the Deal time ball, 1868 - 1872
Correspondence on the day to day running of the time ball at Deal and its telegraphic communications with Greenwich. There are instructions on cleaning, repairs and failures of current between the Observatory and Deal, and correspondence with W. Newby, the time ball attendant, and with C.V. Walker.
Correspondence on the Deal time ball, 1873 - 1876
Correspondence on the day to day running of the time ball at Deal and its telegraphic communications with Greenwich. There are instructions concerning routine work, repairs and failures of current between the Observatory and Deal, and correspondence with W. Newby, the time ball attendant, and with C.V. Walker.
Correspondence on the Start Point time signal, 1858 - 1862
Correspondence with J. Washington, J.C. Clark, R. Fitzroy, G.H. James, C.V. Walker and others on the proposed time signal at Start Point. There are maps of Start Point; plans of the Light House, tower and proposed buildings at Start Point; a map of Plymouth, Devonport and Stonehouse; a map of Start Point and Start Bay; and calculations of numbers for a train of wheels.