Hi Zonnald,
apart from the typing error (it should read 19th century not 9th century!), Torayca are actually probably right. John Swan began working on a light bulb using carbonized paper filaments in a glass bulb in 1850.
See:
https://en.wikipedia.org/wiki/Joseph_Swan
Cheers!
MB
Hi Zonnald, apart from the typing error (it should read 19th...
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