Note Note 5 — III EINSTEIN

The velocity (v) of an object in one system will have a different velocity (v′) if referred to another system in uniform motion relative to the first. It had been supposed that only a “something” endowed with infinite velocity would show the same velocity in all systems, irrespective of the motions of the latter. Michelson and Morley’s results actually point to the velocity of light as showing the properties of the imaginary “infinite velocity.” The velocity of light possesses universal significance; and this is the basis for much of Einstein’s earlier work.