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Sources0.24884200 1518289456, 51, Drion Ch. - Fernet E., Traité de physique élémentaire, G. Masson éditeur, Vol. 51, pag. 0, TAV. 274, fig. 0.
The indications that complete the voice "Working" have the following meaning: P = partial; R = repaired; * = used for the didactics; X = verification impossible.