Posts tagged ‘light bulb’
Who invented the light bulb?
Who invented the light bulb? No, it wasn’t Thomas Edison. Light bulbs were in use long before Edison applied for the patent […]
03/29/2010. Category: inventions. Tags: edison, light bulb
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Who invented the light bulb? No, it wasn’t Thomas Edison. Light bulbs were in use long before Edison applied for the patent […]
03/29/2010. Category: inventions. Tags: edison, light bulb
|