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James Bowman Lindsay
James Bowman Lindsay
James Bowman Lindsay's diagram for telegraphy across a body of water
James Bowman Lindsay's diagram for telegraphy across a body of water
James Bowman Lindsay's obelisk at Western Cemetery, Dundee
James Bowman Lindsay's obelisk at Western Cemetery, Dundee
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A scanning electron microscope image of the tungsten filament of an incandescent light bulb
A scanning electron microscope image of the tungsten filament of an incandescent light bulb
Elaborate light in Denver, Colorado
Elaborate light in Denver, Colorado
Original carbon-filament bulb from Thomas Edison's shop in Menlo Park
Original carbon-filament bulb from Thomas Edison's shop in Menlo Park
Alexander Lodygin on 1951 Soviet postal stamp
Alexander Lodygin on 1951 Soviet postal stamp