we see from this expression that two clocks … of the [rotating] disc. This result is also … from the disc, the latter is in a … hence the result we have obtained will hold … as a clock, so that the following statement … potential of the gravitational field in which it … [p. 151] At all events, a definite decision will … by the gravitational potential does not exist, then … [Translator's note: "The displacement of spectral lines towards the red end of the spectrum was definitely established by Adams in 1924, by observations of the dense companion of Sirius, for which the effect is about thirty times greater than for the sun.] ;;The following quotes from Appendix Five were written in 1952. …
Google-1
Google-2
Copyright clearance needed for quotation.