HPB-SB-11-183: Difference between revisions

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{{HPB-SB-footer-sources}}
{{HPB-SB-footer-sources}}
<gallery widths=300px heights=300px>
<gallery widths=300px heights=300px>
la_chaine_magnetique_tomes_iii-iv_1881-1883.pdf|page=7|La Chaine Magnetique, Juillet 15, 1881, pp. 3-7
la_chaine_magnetique_t.3-4_1881-1883.pdf|page=7|La Chaine Magnetique, Juillet 15, 1881, pp. 3-7
</gallery>
</gallery>