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Sources0.24084200 1518289456, 43, Péclet E., Traité de la chaleur considérée dans ses applications, G. Masson éditeur, Vol. 43, pag. 2, TAV. 50, fig. 0.
0.21484000 1518289456, 17, Ròiti A., Elementi di fisica, Le Monnier, Vol. 17, pag. 1, TAV. 247, fig. 0.
The indications that complete the voice "Working" have the following meaning: P = partial; R = repaired; * = used for the didactics; X = verification impossible.