whence it follows that the time marked by … [moving] … [approximately 1/2 v^2/c^2] seconds per second … From this there ensues the following peculiar circumstance. … the stationary system, are synchronous; and if the … on its arrival at B the two clocks … [and the moving clock lags behind.] … Thence we conclude that a balance-clock at the … at one of the poles under otherwise identical …
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