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Wednesday, July 13, 2016

4.tnpsc material

எடிசன் காப்புரிமம் பெற்ற கண்டுபிடிப்புக்களில் ஒரு பகுதி
101 Process of Making Incandescents 1882
102 Dynamo Magneto Electric Machine 1882
103 Commutator for Dynamo or Magneto Electric Machines 1882
104 Electric Distribution and Translation System 1882
105 System of Conductors for the Distribution of Electricity 1882
106 Method of Maintaining Temperature in Webermeters 1882
107 Electro-Magnetic Railway Engine 1882
108 Apparatus for the Electrical Transmission of Power 1882
109 Regulator for Driving Engines of Electrical Generators 1883
110 Secondary Battery 1883
111 Valve-Gear for Electrical Generator-Engines 1883
112 Electrical Railroad 1883
113 Art of Malleabelizing Iron 1883
114 System of Underground Conductors for Electrical Distribution 1883
115 Mold for Carbonizing 1883
116 Manufacture of Incandescents 1883
117 Transmitting Telephone 1883
118 Means for Operating and Regulating Electrical Generators 1883
119 Apparatus for Translating Electric Currents From High to Low Tension 1883
120 Electrical Generator or Motor 1884
121 Insulation of Railroad Tracks Used for Electrical Currents 1884
122 Electrical Meter 1884
123 Type-Writer 1884
124 Electric-Arc Light 1884
125 Incandescing Conductor for Electric Lamps 1884
126 Method Treating Carbons for Electric Lights 1884
127 Mode of Operating Dynamo-Electric Machines 1884
128 Device for Protecting Electric-Light Systems from Lightning 1884



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