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(1-1) From O. Benfey, ‘Precursors and Cocursors of the
Mendeleev Table: The Pythagorean Spirit in Element Classification’,
Bulletin for the History of
Chemistry, 13-14, 60–66, 1992-1993, figure on p. 60. By
permission from the publisher.
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(1-2) From A–L. Lavoisier, Traite
Elementaire de Chimie, Cuchet, Paris, 1789, p.
192.
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(2-2) From D. I. Mendeleev, ‘Sootnoshenie svoistv s atomnym
vesom elementov’, Zhurnal Russkeo
Fiziko-Khimicheskoe Obshcestv, 1, 60–77, 1869, table on p.
70.
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(3-1) From L. Gmelin, Handbuch der
anorganischen chemie 4th ed, Heidelberg, 1843, vol 1, p.
52.
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(4-1) From A. E. Beguyer De Chancourtois, ‘Vis Tellurique:
Classement naturel des corps simples ou radicaux, obtenu au moyen d’un
systeme de classification helicoidale et numerique’, Comptes Rendus de L’Academie, 54, 757–761,
840–843, 967–971, 1862. Redrawn in J. van Spronsen, The Periodic System of
the Chemical Elements, the First One Hundred Years, Elsevier, Amsterdam,
1969, p. 99. By permission from the publisher.
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(4-2) From J. A. R. Newlands, ‘On Relations among the
Equivalents’, Chemical News, 7, 70–72,
1863, table on p. 71.
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(4-3) From G. D. Hinrich, Programm der Atomechanik oder die
Chemie eine Mechanik de Pantome, Augustus Hageboek, Iowa City, IA, 1867. As
simplified by J. van Spronsen, The Periodic System of the Chemical
Elements, the First One Hundred Years, Elsevier, Amsterdam, 1969. By
permission from the publisher.
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(4-4) From J. Lothar Meyer, Die modern
theorien und ihre Bedeutung fur die chemische Statisik,
Breslau (Wroclaw), 1864, p. 135.
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(4-5) From J. Lothar Meyer, unpublished system of
1868.
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(6-1) AIP Emilio Segrè Visual Archives, W. F. Meggers Gallery of
Nobel Laureates.
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(7-2) From G. N. Lewis, unpublished memorandum of March 28,
1902.
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(7-3) From A. Stranges, Electrons and Valence, Texas A&M
University Press, College Station, TX, 1982, p. 213. By permission from the
publisher.
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(7-4) From W. Langmuir, ‘Arrangement of Electrons in Atoms and
Molecules’, Journal of the American Chemical
Society, 41, 868–934, 1919, p. 874.
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(8-1) AIP Emilio Segrè Visual Archives, Weber
Collection.
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(8-2) From E. Clementi, Computational Aspects of Large Chemical
Systems, Lecture Notes in Chemistry, vol 19, Springer-Verlag, Berlin, 1980,
p. 12. By permission from the publisher.
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(8-3) From R. Chang, Physical Chemistry for the Chemical
Biological Sciences, University Science Books, Sausalito, CA, 2000, p. 576.
By permission from the publisher.
