1876

1878

1877

Bell's combined receiver and transmitter

Bell's combined receiver and transmitter

Bell Telephone

Edison Motograph Telephone

Edison Motograph Telephone

First public exhibition of the telephone, in Salem, Mass.

First public exhibition of the telephone, in Salem, Mass.

PDF: Aug 1877 Hubbard report on Bell telephone licensing (transcribed)

Aug 1877 Hubbard report on Bell telephone licensing (transcribed)

Ad: Swedish telephone

Swedish telephone

Photo:

Sold-out Salem phone exhibition with two-way speech to/from Boston

Sold-out Salem phone exhibition with two-way speech to/from Boston

Ad: Bell telephone roadshow

Bell telephone roadshow

Photo:

Bell's box phone goes into service

Bell's box phone goes into service

Ad: George Coy / Connecticut District Tel.

George Coy / Connecticut District Tel.

Photo:

Brown profs swap bar magnet for Bell's horseshoe magnet, enabling butterstamp telephones

William Francis Channing

First telephone line completed, between Charles Williams Jr's home and office

Charles Williams, Jr.

Thomas Edison patents his carbon button transmitter

Berliner files caveat for improved telephone transmitter

Berliner files caveat for improved telephone transmitter

Bell and Gower exhibit the telephone in Lawrence, Mass.

Bell and Gower exhibit the telephone in Lawrence, Mass.

Bell marries Mabel Gardiner Hubbard

Alexander Graham Bell

Gardiner Greene Hubbard

Mabel Gardiner Hubbard

Gertrude Mercer McCurdy

Bell Telephone founded

Bell Telephone founded

Bell patents transfers 75% of his Canadian patent rights to his father

Alexander Graham Bell

Alexander Melville Bell

Scientific American write-up of Bell's hand telephones

Scientific American write-up of Bell's hand telephones

Western Union creates the American Speaking Telephone Co.

Doolittle invents hard drawn copper wire

Doolittle invents hard drawn copper wire

Holmes Burglar Alarm of Boston installs first telephone exchange

Holmes Burglar Alarm of Boston installs first telephone exchange

Berliner joins Bell Telephone

Doolittle files patent for 'direct-connecting' switchboard

Thomas B. Doolittle

Puskás designs first telephone exchange

Watson invents a ringer that 'thumps'

Watson invents a ringer that 'thumps'