In the marriage proposal scene the clock on the mantel doesn't change time. It remains at 6:16 throughout the scene.
In the opening titles, one of the make-up artists is named as "Jennny Eades", but this is changed to the more usual spelling for "Jenny" in the final credits.
In the scenes at Mr. Collins' abode, there is a mantle clock whose small hand points to 6 and the large hand to 17 minutes. The clock never changes throughout the entire scenes at the parsonage.