The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 425
... electron or a proton , a fundamental physical constant . A direct and convincing measurement of an electron's charge , as a natural unit of electric charge , was first made ( 1911 ) in the Millikan oil - drop experiment ( q.v. ) . Atoms ...
... electron or a proton , a fundamental physical constant . A direct and convincing measurement of an electron's charge , as a natural unit of electric charge , was first made ( 1911 ) in the Millikan oil - drop experiment ( q.v. ) . Atoms ...
Page 435
... electrons , which are drawn toward a positively charged sleeve ( first anode ) and partially intercepted by a flat disk ( the control electrode ) . electron microscope 436 electron microscope , microscope that attains extremely.
... electrons , which are drawn toward a positively charged sleeve ( first anode ) and partially intercepted by a flat disk ( the control electrode ) . electron microscope 436 electron microscope , microscope that attains extremely.
Page 436
electron microscope 436 electron microscope , microscope that attains extremely high resolution using an electron beam instead of a beam of light to illuminate the object of study . See microscope . electron optics , branch of physics ...
electron microscope 436 electron microscope , microscope that attains extremely high resolution using an electron beam instead of a beam of light to illuminate the object of study . See microscope . electron optics , branch of physics ...
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14 written for Catherine the Great Observations | 14 |
Consult the INDEX first | 581 |
Didius Julianus marble bust in | 703 |
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