After the ball Mr Knightly is carrying his gloves while approaching Emma's carriage. He's still carrying them while running across the bridge. But as he continues running into the courtyard entrance of Emma's home and then stops, suddenly he's wearing the gloves, and then makes a point of removing them.
When Emma and Harriet first take tea together, the ringlet in front of Emma's left ear alternates between being snagged in her earring and hanging free.
The Sequence subtitled Winter begins with a carriage drawing up in front of a large tree in full leaf.
There are several shots of the interior of the church which show Victorian stained glass windows.
In minute 56 when the carriage stopped on an uphill way there is a steel wheel chock behind the right end wheel visible stopping the carriage from rolling back. This type of wheel chock was first manufactured in the 20th century and wouldn't be used when just temporarily stopping the carriage with horses clamped.