...respect to one another. Only, the first representation is astronomically more convenient and simpler. But if we think of the earth at rest and the other...regard must be paid to the masses of the universe. In ordinary terrestrial cases, it will answer our purposes quite well to reckon the direction and velocity...

...of the earth as turning round on its axis, or at rest while the fixed stars revolve around it. ... The law of inertia must be so conceived that exactly...results from the second supposition as from the first." It is perhaps significant that even before Einstein, Mach referred to himself and his followers as...

...Boltzmann Ernst Mach But if we think of the earth at rest and the other celestial bodies revolving around it, there is no flattening of the earth, no Foucault's...regard must be paid to the masses of the universe. . . . Now what share has every mass in the determination of direction and velocity in the law of inertia?...

...the Earth as turning round on its axis, or at rest while the celestial bodies revolve around it. ... The law of inertia must be so conceived that exactly...regard must be paid to the masses of the universe. (pp. 76-7, note 2) In effect here, Mach is suggesting that there are no physically preferred frames...

...of a relative rotation of the earth and of the celestial bodies with respect to one another. . . . But if we think of the earth at rest and the other...regard must be paid to the masses of the universe. (Mach 191 1, pp. 76-77) And he continues: We learn that all bodies, each with its share, are of importance...