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Sources0.23784100 1518289456, 40, Despretz C., Traité élémentaire de physique, Méquignon-Marvis, Libraire-éditeur, Vol. 40, pag. 0, TAV. 678, fig. 14.
The indications that complete the voice "Working" have the following meaning: P = partial; R = repaired; * = used for the didactics; X = verification impossible.