Found in 53 Collections and/or Records:
Correspondence on time signals, 1902 - 1936
Correspondence on time signals, 1955 - 1963
Correspondence regarding time signals, 1879 - 1893
Correspondence with the International Society for the Study of Time, 1985 - 2000
Early psychological researches
The booklet contains records of experiments carried out to test reaction times. There is a reference to a 'decapitated frog' under the heading 'Queries' two-thirds of the way through the booklet, showing that some (perhaps even most of) the experiments were conducted on animals, not humans.
Humphry Smith Papers and Photographs, 1928 - 1999
John Harrison’s ‘Marine Timekeepers’ stamps: presentation pack and first day cover, 1993-02-16
Presentation pack containing four stamps of John Harrison’s Marine Timekeeper No.4 (24p, 28p, 33p and 39p) and a Harrison information sheet.
Also, first day cover with printed images of Harrison and a ship at sea; the four 'Marine Timekeepers’ stamps are affixed and postmarked by the British Philatelic Bureau, Edinburgh.
Lectures, 1980 - 1985
Loose notes for psychology lectures: 1878-9; Space and time, 1878 - 1879
Nathy O'Hora Papers, 1913 - 1927, bulk: 1946 - 2014
The Nathy O'Hora papers include the research, publications, and presentations of himself, others, and the RGO. This research notably includes eclipses, a topic to which O'Hora devoted considerable time after retiring. The collection also includes papers and correspondence relating to the Time Department where he worked, his notebooks on various scientific theories and practices, ledgers that he used to record weather data, newspaper clippings, and photographs.
Newspaper cuttings on the RGO and astronomy, 1922 - 1998
Papers on Standard Time, 1880 - 1940
Papers on the astronomical day, 1919 - 1970
Papers concerning the change in reckoning of the astronomical day, including 'The Report of the Committee on the 24 Hour Method of Expressing Time', 1919; correspondence with the Hydrographer concerning documents; correspondence between D.H. Sadler and the Royal Astronomical Society; and handwritten notes by Sadler on the history and timetable of the proposed change.
Papers on the Time Service, 1943 - 1963
Papers on time balls, 1885 - 1910
Papers on time balls, signals and clocks, 1904 - 1927
Papers on time signals, 1939 - 1955
Papers on Universal Time, 1885 - 1898
Photographic Zenith Tube: Records, c.1940s-1980s
The PZT papers include: five boxes of Dudley S. Perfect and PZT papers; two observer's notebooks (1982-1983); three fault repair notebooks (c.1973-1983); a PZT 'phase slips and clock repair book' (1975); and PZT plate records.
Prof. Vinicio Barocas (1914-2016), 1940 - 2017
Includes photographs of Vinicio Barocas during and after WW2, two prisoner identity discs from his time in a Canadian internment camp, telegrams to secure his release, photographs of Abinger, an autobiography by Barocas, and a biography of Barocas by his friend Ian Cuerden.
Psychology, Only one page carries a specific reference as to date of writing: the verso of p. 92, which is dated 12 November 1900. We assume that the rest of the notebook was made in and around that year.
Psychology Lecture Notes: Continuation 1879, 1879 - 1880
On the cover, after 'Continuation 1879', there is the additional note: '1880 - p. 46'.
Psychology V, 19000115 - 19140826
"The Metronomic Society" (1988), 1981 - 1993
Including the Bethnal Green and Debden surveys.