Researches in telephony
By: by A. Graham Bell.
Contributors: American Academy of Arts and Sciences.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 08832; CIHM/ICMH microfiche series -- no. 08832
Publisher: s.n.
Published: 1876
Place of publication: [S.l
Language: eng
Format: Microform
Subjects: Telephone.; Téléphone.