[1] Taken from Arago Kilogram,
Room 3, Weights and Measures, NIST Virtual
Museum. Link
[2] Taken from Australia's Commonwealth
Scientific and Industrial Research Organisation
(CSIRO).
[3] Taken from the NIST website. Link
[4] Nobili, Anna M. (March 1986). "The real
value of Mercury's perihelion advance". Nature.
320 (6057): 39–41. Link
[5] Dyson, F.W.; Eddington, A.S. & Davidson,
C.R. (1920), "A Determination of the Deflection
of Light by the Sun's Gravitational Field, from
Observations Made at the Solar eclipse of May
29, 1919", Phil. Trans. Roy. Soc. A, 220
(571–581): 291–333. Link
[6] "Decree on weights and
measures", 7 April 1795. Link
[7] "Armoire de fer", French
National Archives. Link
[8] "Resolution of the 1st CGPM
(1889)", BIPM. Link
[9] "Information for users about
the redefinition of the SI", BIPM. Link
[10] "Preparative steps towards
new definitions of the kilogram, the ampere, the
kelvin and the mole in terms of fundamental
constants", BIPM. Link
[11] "Kilogram: The Kibble
Balance", NIST. Link
[12] "The Avogadro Project",
Australian Centre for Precision Optics. Link
[13] Lim, XiaoZhi. (16 November
2018), "The Kilogram Is Dead. Long Live the
Kilogram!". New York Times. Link
[1]
[2]
[3]