The Bell Telephone: Deposition of Alexander Graham Bell

The Bell Telephone: Deposition of Alexander Graham Bell, in the Suit Brought by the United States to Annul the Bell Patents

Several unsuccessful lawsuits were filed against Bell and his company challenging Bell patents. The present work consists primarily of Bell's affidavit for the last of these lawsuits, filed on behalf of the United States against Bell and the American Bell Telephone Company on 13 January 1887. The deposition contains a detailed history of Bell's work on the telephone as well as technical descriptions and illustrations of Bell's apparatus. The two Bell patents are reproduced in full at the end of the statement.