When Oliver first meets Terry in the barn, he's just been covered in dust and hay from Eb sweeping out his room. As he speaks to Terry, the hay alternately appears and disappears from the under the lapels of his vest.
In one of the last scenes when the men start showing up to take Miss Harper to the dance, there is suddenly a mantel clock above the fireplace who's hands move quickly to show time passing. The clock is an electric Seth Thomas tambour model, with no glass. The clock is not in the previous scenes.
Terry knows Ralph's last name despite just meeting and not being introduced.