Allais effect/Reading notes

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L'Anisotropie de l'Espace[edit]

In this book, Maurice Allais presents his work on claimed anomalous effects, in the following order:

I. His experiments on the paraconical pendulum on anisotropic suspension (1954-1960)
II. His experiments on the paraconical pendulum on isotropic suspension (1959-1960)
III. His experiments on deviations of optical sightings (1958-1958)
IV. Analysis of E.Esclangon's and D.Miller's optical experiments
V. Periodical structure of those observations
VI. Space anisotropy hypothesis
VII. Revision of contemporary postulates
VIII. Suggested further simultaneous experiments
IX. Struggle against dogma's
X. New perspectives

IV. Analysis of E.Esclangon's and D.Miller's optical experiments[edit]

Various periodic effects: Ernest Esclangon explains some periodic effects by an absolute motion of the earth (and the solar system) towards a fixed direction: Compte-Rendus Académie des Sciences, 1926, T182, p.921-923.

  • Deviations of the oscillation plane of a horizontal pendulum in Potsdam-Babelsberg from a vertical plane (observation from 1904 through 1909). Horizontal pendulae are used to detect earthquakes.
  • Differences between incident angle and reflection angle for light from circumpolar stars, inspired by work of Leopold Courvoisier.
  • Unexplained periodic variations of star occultations by the moon.

Tidal periodicities: Ernest Esclangon investigated tidal periodicities at Pola on the Adriatic Sea: Compte-Rendus Académie des Sciences, 1926, T183, p.116-118. He concluded after analysis of the tide amplitudes and constant phase times over a period of 19 years that tidal motion is affected by three influences of sidereal periodicity (23h56mn):

  • lunar
  • solar
  • unknown

Dissymmetry in optical autocollimation experiments: Ernest Esclangon performed continuous autocollimation experiments in the northwest and northeast direction and noticed a sidereal periodicity in the measured values. The experiment with results is described in the following references:


First edition, 1997

p79: ...leur curiosité vivement surexcitée

p115: A titre d'illustration le Graphique XI représente le fréquencigramme...

p123: Equation (10): the brackets must not include alpha/2p

p135: Value of C_s is incorrect. The correct value is given earlier in the text.

p144: ...en interpolant les données de 10 mn en 10 mn.

p328: Les déplacements delta se caractérisent...

p352 & p353: Le cycle a été calculé par la méthode de Buys-Ballot...

p363: Les dates sont comptées en jours...

p404: Footnote should be numbered (5). Idem for next footnotes who should be incremented by 1.

p407-408: Should be Graphs XI and XII, and not X and XI.

p412: Note (2): page number 362 should be 382. Date of reference Conference on the Michelson-Morley Experiment is 1928, and not 1926.

p434: s0 should be 91.3 (cf. p.435)

p446: Table I of Chapter I is on page 92 and not 22.

p447: Note (3): The section of Graph XII should be C.3 and not C.2.

p503: in footnote (14): équation de Lorenz. The reference to the footnote in the Introduction must be to note 4 (and not 14).

p683: (page header) Soutiens et Oppositions

p704: 1925 reference for Ernest Esclangon is in fact 1935 reference.

p714: Reference Paulette FEVRIER, 1956 double cited.