Thread: TOS Door Colors
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Old November 23 2012, 11:04 AM   #56
throwback
Captain
 
Re: TOS Door Colors

In later Trek shows, turbolifts were located in turboshafts. Each turboshaft was labeled with a number. It's possible that the numbers we see in TOS are for turboshafts.

http://images.wikia.com/memoryalpha/..._6_graphic.jpg
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