But when we do, isn't it comforting to know that the Los Angeles signal system is computer controlled?
More to come today.
Units - International Feet and US Survey Feet
4 months ago
I've MOVED! Go here now: http://civil3detcetera.blogspot.com/
But when we do, isn't it comforting to know that the Los Angeles signal system is computer controlled?
More to come today.
Posted by
Louisa Holland
at
Thursday, November 06, 2008
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