History
Go to...
Index
Translations
Pronunciation
Images
Computers
Geography
Languages
0 / 60 seg.
Inventions: The Invention Of The _______ Lens In 1822 Greatly Improved The Lighting Capabilities Of Lighthouses
F
R
_
S
N
_
L
Clue
LENS
FRESNEL
HUNDRED
LIGHTING
Text
Audio
Text & audio
Free text
Multiple option
Previous question
Start
Next question
Please enable JavaScript to continue using this application.