not sure....
i think the light was quiete dim.
made it affordable
The 1st light bulb was built by Humphry Davy (an Englishman) in 1809...
Be specific to your questions!
humphry davy in the 1800's
i think the light was quiete dim.
1809
in vietnam
Humphry Davy
Humphry Davy was born on December 17, 1778.
Humphry Davy was born on December 17, 1778.
== == 1856 Sir Humphry Davy invented the light bulb.......
in 1809 first light bulb was invented by humphry davy
Humphry Davy invented the lightbulb in the 1800's.
made it affordable
Sir Humphry Davy was born on December 17, 1778.
Sir Humphry Davy was born on December 17, 1778.