11 What is not modelled
Concurrent production. McKenzie’s central finding is that a shop worked on several books at once; this models one book at a time. The report says so wherever it draws a conclusion that concurrency would undermine.
Per-compositor cases. Hinman distinguishes cases x, y and z; here all the men draw from one pair.
Forme order from type recurrence. The pieces are tracked and the recurrences recorded, but nothing yet reconstructs the order of printing from them.