Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 347
S of light … SEEIKG AN OBJECi^. 325 do travel in straight lines, and you see tlie object whereit actually is. But if by any means the r^js of lightemanating from a luminous object have their directionschanged before entering your e^e, of course the sensation ischanged, and you do not see the object where it…
Physics
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