Acoustic telephone
1892
"Système Ader" Wall Telephone
1894

“Erie” Type American Bell Candlestick

1893

About This Phone

Last patent date Nov. 1892.

Related PDFs

American Bell Telephone Annual Report, 1890
American Bell Telephone Annual Report, 1890
1890
 American Bell Telephone Annual Report, 1891
American Bell Telephone Annual Report, 1891
1891
 American Bell Telephone Annual Report, 1892
American Bell Telephone Annual Report, 1892
1892
 American Bell Telephone Annual Report, 1893
American Bell Telephone Annual Report, 1893
1893
 American Bell Telephone Annual Report, 1894
American Bell Telephone Annual Report, 1894
1894
 American Bell Telephone Annual Report, 1895
American Bell Telephone Annual Report, 1895
1895
 American Bell Telephone Annual Report, 1896
American Bell Telephone Annual Report, 1896
1896
 American Bell Telephone Annual Report, 1897
American Bell Telephone Annual Report, 1897
1897
 American Bell Telephone Annual Report, 1898
American Bell Telephone Annual Report, 1898
1898
 American Bell Telephone Annual Report, 1899
American Bell Telephone Annual Report, 1899
1899