Patent no. 174, 465.
Publisher: Newcomen Society of England, American Branch
Published: 1947
Place of publication: New York
Language: eng
Number of pages: 24
Subjects: Bell, Alexander Graham, -- 1847-1922.; Telephone -- United States.
Notes: "Address ... delivered during the ʻ1947 Philadelphia dinnerʼ of the Newcomen Society of England ... held ... on October 24, 1947."