Annalen der Physik 4. Folge, Bd. 4. Leipzig: Johann Ambrosius Barth, 1901." />
17 June 2008
PLANCK, Max. "Ueber das Gesetz der Energieverteilung im Normalspectrum." Offprint from: Annalen der Physik 4. Folge, Bd. 4. Leipzig: Johann Ambrosius Barth, 1901.
8o. Tan printed wrappers (upper cover detached, minor chipping to edges). Provenance: unidentified recipient ("M. Planck Ueberreicht vom Verfasser" printed on front wrapper); Harrison D Horblit (his sale Christie's East, 16 February 1994, lot 118).
FIRST EDITION, PRESENTATION OFFPRINT ISSUE, PRESENTATION COPY, with printed presentation designation on front wrapper. Planck determined a unit of energy in a system showing a natural frequency in definite quanta and proposed a constant of angular momentum, the value of which is known as "Planck's constant." This unit of energy enabled the explanation of wave-length, specific heat of solids, photo-chemical effects of light, the orbits of electrons in the atom, the wave lengths of the lines of the spectrum, or Röntgen rays, the velocity of rotating gas molecules, and the distances between the particles of a crystal. "It contradicted the mechanics of Newton and the electromagnetics of Faraday and Maxwell. Moreover it challenged the notion of the continuity of nature" (PMM). See previous lot. PMM 391b.
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