Elminster heard a tone of voice he had seldom heard recently in Tonks' voice. Usually it was he that did the pursuing, rather than being pursued. He decided to observe further, to make sure he wasn't imagining things.
"Muggles? Hogwarts? I have heard of neither of these. Pray tell what or who they might be."
While politly conducting the conversation, he also silently wove a spell together increasing the woman's dexterity. He wished to ascertain whether or not she was colliding with him on purpose or not.
"A device you say? Technology must have progressed far beyond where it is in my world here."