16
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
1531247
119958
2

jan 9, 1887 - Railroad Telegrph

Description:

Date:1887
inventor: Granville Woods
Purpose: To reduce risk of collisions by allowing trains to communicate

Added to timeline:

1 months ago
0
0
23
history

Date:

jan 9, 1887
Now
~ 131 years ago

Images:

PayPal - The safer, easier way to pay online!logo
About & FeedbackTermsPrivacy