Last visit was: Sun Nov 28, 2021 12:22 pm
It is currently Sun Nov 28, 2021 12:22 pm



 [ 3 posts ] 
 Grand Central's Hidden Sub-Basement Has A 102-Year-Old Compu 
Author Message

Joined: Wed Jan 16, 2013 2:33 am
Posts: 165
Video: Grand Central's Hidden Sub-Basement Has A 102-Year-Old Computer

http://gothamist.com/2015/10/15/grand_c ... hp#photo-1


Fri Oct 16, 2015 5:37 pm

Joined: Wed Jan 16, 2013 2:33 am
Posts: 165
Another look at it here:

http://hackaday.com/2015/10/17/retrotec ... -computer/


Mon Oct 19, 2015 2:57 am

Joined: Wed Jan 09, 2013 6:54 pm
Posts: 1644
There's an interesting long article on the New York subway's signalling, and a video too.
https://www.youtube.com/watch?v=Mjx3S3UjmnA
It seems that safety is maintained by interlocking - whether mechanical or 300,000 relays depends on which part of the system you look at.

There's a simulator for Windows or OSX here:
http://www.nycsubway.org/wiki/NXSYS,_Si ... _Simulator

Here's the long article:
http://www.theatlantic.com/technology/a ... re/415152/


Sat Nov 14, 2015 2:43 pm
 [ 3 posts ] 

Who is online

Users browsing this forum: CCBot and 0 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  
Powered by phpBB® Forum Software © phpBB Group
Designed by ST Software