In the late scene in which the wind blows St John Rivers's hat off, the trees in the background are being blown in the opposite direction. In the following shot in which he chases his hat, all trees are entirely still.
When young Jane and Helen Burns are lying together in bed, their hands and arms jump around between shots.
When Mrs. Fairfax puts down the photograph of a young Mr. Rochester in his bedroom, the boom pole is reflected in the photograph.