I have a question about those reel/part numbers.   For example, Hook is a 142 minutes long movie and the recording sessions go until reel 16. So, we can assume each reel lasts for about 9 minutes of screentime. Both The Last Crusade and Jurassic Park are 128 minutes long divided in 14 reels, so it's also 9 minutes per reel. The Lost World is one minute longer than JP and it also has 14 reels, meaning each reel is about 9 minutes long.   And that's not even mentioning the 195