Plastic earphones attached by adjustable metal pieces to pair of fabric-covered headbands. Cords from both earpieces are spliced at 14 inches to form a single cord leading to a 2 7/8" plastic and metal jack. Made by Nathaniel Baldwin. Stamped on the back of each earphone: Nathaniel Baldwin/ Salt Lake City, Utah/ Pat May 10, 1910/ Sept 14, 1915/ Type C".