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1609 - L'Invar et l'Elinvar

1ère partie, L'INVAR ET L'ELINVAR, Conférence Nobel par Guillaume Ch.-Edouard.
2ème partie, Charles-Edouard Guillaume (1861-1938) par Adrien Jaquerod, extrait du Bulletin de la Société Neuchâteloise des Sciences Naturelles, tome 63 (1938).
2 sujets rarement traités.
Reliure toile, état de neuf.

48 pages

Edition : 1974