General
Go to...
Index
Translations
Pronunciation
Images
Computers
Geography
Languages
0 / 60 seg.
EDISON'S PATENTS: In the 1870s Edison battled Western Union over the patent on the quadruplex type of this device
T
H
_
T
_
L
_
G
R
_
P
H
Clue
THE TELEGRAPH
TELEPHONE
RUBBER
BARBED WIRE
Text
Audio
Text & audio
Free text
Multiple option
Previous question
Start
Next question
Please enable JavaScript to continue using this application.