Mechanism of Speech

The Bell Telephone

Graphical Studies of Marriages of the Deaf

Upon the Electrical Experiments to Determine the Location of the Bullet in the Body of the Late President Garfield; and upon a Successful Form of Induction Balance for the Painless Detection of Metallic Masses in the Human Body

Telephone

Mechanism of Speech - Lectures Delivered Before the American Association to Promote the Teaching of Speech to the Deaf, to Which Is Appended a Pap