A couple of interesting links:
http://www.davidstrohmaier.com/review/FaceLiftDomeFinal-iPhone.m4v
http://www.davidstrohmaier.com/TEST/Remastering%20TIC%20v-2-iPhone.m4v
Whomever wrote the piece for Wiki is mis-expressing terms.
Three strip = Technicolor productions made between approximately 1934 and 1954, and printed via the dye transfer method.
Other Technicolor productions were single strip black & white SE. Prints are same for both.
Two...
Final point. If stored even half decently, a film like This is Cinerama should be digitally correctable for color as it goes back to the early 1950s, and would therefore be on an early version of our arch-enemy, 5248 negative stock.
RAH