Re: 3 engine rooms in the TOS Enterprise's engineering hull?
"Either of these notions could explain why just one of these four ships seen on-screen would have a differently equipped Engine Room."
You are right and I stand corrected. Thanks for pointing that out, you are becoming the voice of reason when I get overboard with some ideas.
"The first duty of every Starfleet officer is to the truth" Jean-Luc Picard
"We can't solve problems by using the same kind of thinking we used when we created them." Albert Einstein