Keywords: Galileo telescope, James Madison, M Curie, radium, electrostatic generator, microscope,SPECTROSCOPE,SPECTROMETER,TANGENT GALVANOMETER,SINE GALVANOMETER,DRAFTING,PLANETARIUM,ORRERY,tellurian,telescope, TELEGRAPH,MICROSCOPE SLIDE, electric meter, galvanometer, calculator, slide rule,SUNDIAL,STERIO VIEWER, gifts, octants, radio,Alexander Graham Bell, Apparatus
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2025年01月24日