1890 -1

1890 -1,899 in the design of large stone machine, grinding machine. in the Ogden Mine personally directing large-scale development of iron ore with the new method. .1891 invented the ; Kinetoscope first a film Church Hill's use of In Edison's company produced the first feature film, .1910-1914, completed disc phonograph record and does not harm the diamond disc. complete sound film plane. 1910 invention of Communication Language phonograph.
1914-1915 invented phenol integrated manufacturing method, and combining the phonograph, and grant writing machine language machine as well, one phone can automatically record each other talking. to produce benzene, indigo oil. .1915 -1918 invented 39 years to complete as many as the most famous of which is the torpedo mechanism, flamethrower, and other underwater periscope. in 1927 to complete a long record. .1928 to extract rubber from weeds successfully .Professor of Physics bold Imagination 1802, in Russia's St. Petersburg College of Surgeons, a professor of physics called Bideluofu announced his intention Lighting the way the early 19th century, in the current or a new thing under the premise of this decision tantamount Nights Lake.