As a 1950 production, Show Boat would be nitrate. Technicolor was a late safety adopter, which is fortuitous, as nitrate registers better than early acetate.
One of the Great Technicolor M-G-M musicals, the George Sidney / Arthur Freed Show Boat, has come to life in a huge way via Warner Archive's new Blu-ray.
Based upon new scans of the original camera negatives, color literally jumps off the screen. This is one of those productions that cry out...