- AN F/17/3714, Adaption d'une heure unique, Italie; Resolutions by the International Geodesic Association Concerning the Unification of Longitudes and Time, Bureau central de I' Association Géodésique Internationale, n.d.
- Bartky, One Time Fits All, 72.
- AN F/17/3714, Conférence internationale de Washington pour l'établissement d'un méridien initial, letter, Ministry of Foreign Affairs to Ministry of Public Instruction, January 26, 1884; Circular, Department of State, Washington, DC, December 1, 1883; BArch R901/63559, Legation of the United States to German Foreign Ministry, Berlin, November 9, 1882; Bartky, One Time Fits All, 72.
- Theodore M. Porter, Trust in Numbers: The Pursuit of Objectivity in Science and Public Life (Princeton, NJ: Princeton Univcrsity Press, 1995); Ian Hacking, The Taming of Chance (New York: Cambridge University Press, 1990); and M. Norton Wiseed. The Values of Precision (Princeton, NJ: Princeton University Press, 1995), esp. Simon Schaffer, “Accurate Measurement Is an En glish Science," 135–172, and M. Norton Wise, "Precision: Agent of Unity and Product of Agreement, Part II— The Age of Steam and Telegraphy," 222–236; and Simon Schaffer, "Late Victorian Metrology and Its Instrumentation: A Manufactory of Ohms," in Invisible Connections: Instruments, Institutions, and Science, ed. Robert Bud and Susan Cozzens (Bellingham, WA: SPIE, 1992), 23–56, here 25.
- Schram, Adria-Zeit, 4, 12; W. d Nordling, "Les derniers progrès de l'unifcation de l'heure," Revue scientifque 30, no. 1 (1893): 774–777, here 775; 剑桥大学图书馆，皇家格林尼治天文台档案(此后写作RGO) 7/146, clipping "La Belgique et l'heure de Greenwich," Le Mouvement géographique, May 1,
时间的全球史
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