'Edison's bulb gave off yellow light; Irving Langmuir invented 1 that produced light of this color'
White
INVENTIONS: Edisons bulb gave off yellow light; Irving Langmuir invented 1 that produced light of this color
Edison's bulb gave off yellow light; Irving Langmuir invented 1 that produced light of this color
Edison's bulb gave off yellow light; Irving Langmuir invented 1 that produced light of this color
INVENTIONS
White
INVENTIONS