Originally Posted by Ian C
I suggest that Eastman Kodak supplies the correct data for its products.
X-Tol capacity, Kodak document J-109, page 2: 15 rolls/liter (135-36 or 120).
D76 capacity, Kodak document J-78, pages 7 and 8: 120 rolls/gallon = 30 rolls/quart = approximately 30 rolls/liter.
One of us is misreading J78. On page 7 they give the 'useful capacity' in litres (in brackets) in the last column. According to them the number of films is 4, which seems rather conservative to me.