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MODERN CHRONITI.

CHAPTER I

THE REFLECTIOY AND TRAVELERICI 18

As long ago as 1795 it scenrrei a asenza in to subject the optie nerve of the ising and me of the newly discovered voltaie mrrent "lewana was curious : the operation tim me 3a1 have been expected, but a bright fast i wa pass

before the eye. This remarkanie zemer sa s that time been repeated in a pu MET E VE 1 with the help of the more eficient cette ise 16 ern times; and not only has the origins at su ima obtained, but bright red, green, de itt a S 1.6 have been noticed by a pumber of integriteit van If, instead of using the electrical eura, negara in be employed, that is, if pressure be ezeri sa stiek eye the optic nerve is again stimulati, a zeza se to

ging, fantastic figures seem to use it All these appearances we discreet

and prove

hout the presence of ligi, it is POLE

the stimulation of the pic unit Instances, however, the same. V

about, directly or indirekt),

rk room,

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CHAPTER IV.
PRODUCTION OF COLOUR BY INTERFERENCE AND POLARIZATION,

43

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