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Albert Einstein Letter Signed with Original Handwritten Equations & Diagrams

Albert Einstein Letter Signed with Original Handwritten Equations & Diagrams
Albert Einstein Letter Signed with Original Handwritten Equations & Diagrams
Albert Einstein Letter Signed with Original Handwritten Equations & Diagrams
Albert Einstein Letter Signed with Original Handwritten Equations & Diagrams

Albert Einstein Letter Signed with Original Handwritten Equations & Diagrams
Albert Einstein’s Letter on Earth’s Shifting Crust with ORIGINAL HANDWRITTEN Diagram, Equations and Annotations plus Typed Letter Signed A. Einstein, one page, 8.5 x 11, blindstamped Princeton letterhead, January 16, 1954. Charles Hapgood, enclosing a carbon copy of a letter he wrote to Mr. Of Geology and Mineralogy at the University of Massachusetts, on Hapgood’s theory of earth crust displacement. ” Includes the two-page carbon copy enclosure, an unsigned typed letter by Einstein which bears several handwritten annotations, including: an original hand-drawn diagram, three original handwritten equations, a term representing tangential force, and five original handwritten anglesthree for “beta” and two for “phi, as well as one holograph word, all by Einstein. Einstein’s letter to Farrington begins, in part: When I read your letterI too hadthe impression that I had overestimated erroneously the dislocating force on the solid crust due to an additional (eccentrically located) mass. More careful consideration has shown me, however, that, paradoxically, your argument is not conclusive. ” Einstein explains: “We imagine the rotating earth with’frozen’ crust. The surface of the crust is then (with reference to the rotating earth) and equipotential surface. If one places excentrically a’small’ sphere of the mass m on this surfacethen this sphere is in equilibrium. ” He draws a diagram to the left, and continues: “One feels therefore induced to believe that for this reason no angular momentum could be produced on the crust by this sphere. Such conclusion would be, however, invalid as shown by the following consideration. ” He goes on to illustrate his point using mathematical equations, and concludes: “I think that the idea of Mr. Hapgood has to be taken quite seriously. Einstein wrote the foreword to Hapgood’s book, The Earth’s Shifting Crust, published by Pantheon Books in 1958. Hapgood’s book denied the existence of continental drift, speculating that the ice mass at one or both poles over-accumulates and destabilizes the Earth’s rotational balance, causing slippage of all or much of Earth’s outer crust around the Earth’s core, which retains its axial orientation. A spectacular scientific letter by Einstein. This is the ONLY Einstein’s letter on Earth’s Shifting Crust in private hands. The item “Albert Einstein Letter Signed with Original Handwritten Equations & Diagrams” is in sale since Friday, April 5, 2019. This item is in the category “Collectibles\Autographs\Science, Inventor”. The seller is “collectibles*101*” and is located in Cherry Hill, New Jersey. This item can be shipped to United States.
  • Original/Reproduction: Original
  • Signed by: Albert Einstein

Albert Einstein Letter Signed with Original Handwritten Equations & Diagrams