Time, p.19-30.
In German. Not examined.
The special and general theories of relativity and the significance of these concepts are reviewed with brief mention of the clock paradox.
The author convicts, by quotations, even such experts as Einstein and Eddington of confusing the minds of readers of their popular writings on relativity by the use of language naturally interpretable as ascribing physical reality to the supposed behavior of the purely conventional contracting measuring rods and compensating clocks assumed for the purpose of popular explanation.
Measurements on the momentum distribution of µ mesons at sea-level. F.S. Crawford (See Item 45) connects this with his clock paradox assumptions.
In German.
Translated title: The homogeneous gravitation field and the Lorenz transformation.
"The connection between the special and the general theory of relativity lies in that in any given gravitational field, local rigid systems of reference exist for every point at which the special theory of relativity is valid. For all freely moving bodies whose masses are so small that their effect on the field can be neglected, the gravitational acceleration is nil at a point with reference to an infinitesimal system of reference which is freely moving and therefore participates in the gravitational motion. In such a local inertial system
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