The length of the chain connecting the phone book to the wall phone in the boarding house varies from scene to scene.
When Vivian is talking on the phone, initially she has a thin-band ring on her finger. During the same conversation, she has on a different ring with a large stone on it.
Mrs. Smerrling shows Jackie the .45 semi-automatic pistol and asks if it is loaded. Jackie removes the magazine and says, "not anymore", before she racks the slide to be sure there is not one round in the chamber.