HELMHOLTZ, Hermann von (1821-1894). Über die Erhaltung der Kraft, eine physikalische Abhandlung. Berlin: G. Reimer, 1847.

First edition of ‘the first comprehensive statement of the first law of thermodynamics: that all modes of energy, heat, light, electricity, and all chemical phenomena, are capable of transformation from one to the other but are indestructible and cannot be created’ (PMM). In his brilliant analysis of the conservation of energy, Helmholtz classified different forms of energy and kinds of force and motion, into kinetic or potential. He gave mathematical expression to the energy of motion, thus providing ‘a fundamental measure in research of all forces including muscular and chemical’ (Dibner). Dibner Heralds of Science 159; Garrison-Morton 611; Grolier/Horblit 48; Milestones of Science 96; PMM 323; Waller II, 11365.

Octavo (220 x 137mm). (Some spotting.) Original printed wrappers bound in at end, 19th-century cloth-backed boards, paper title-label on front cover (a little worn), by L.A. Garbe of Rostock (ticket at end); modern cloth case. Provenance: C. Bergmann (signature on front wrapper and title) – Rostock, University Library (stamp repeated 4 times).

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