Autograph manuscript signed: Julius Robert Mayer:Die Entdeckung des Gesetzes der Erhaltung der Energie
1965. Gerlach, Walther (1889-1979). Julius Robert Mayer: Die Entdeckung der Erhaltung der Energie. Autograph Manuscript Draft, signed. 4-1/3 pp., written in pencil and ballpoint pen on rectos of 5 sheets; sheets stapled together in upper left corner. Munich, January 21, 1965. 300 x 212 mm. Creased where previously folded, very..... More