Les Races Humaines ... Ouvrage illustré de 334 gravures dessinées sur bois, et de 8 chromo-lithographies, etc (1872)
FIGUIER, Guillaume Louis. · leaf 630
British Library · HMNTS 10006.f.11. · Digitised by the British Library with Microsoft · No known copyright restrictions (public domain). Free to use for anything.
![An illustration from Wedding's Basic Bessemer Process. Translated [from the supplement to the author's Darstellung des schmiedbaren Eisens” entitled, “Basische Bessemer oder Thomas Process”] ... by W. B. Phillips ... and E. Prochaska ... With a supplementary chapter on dephosphorization in the basic open-hearth furnace, by E. Prochaska (1891)](https://img.insideoutlibrary.com/img/200/bl-bl_003874923_0-103-1.webp)
