1879
1881

1880

Crosley patent telephone
Crosley patent telephone
De Locht Pantelephone
De Locht Pantelephone
Ericsson wall phone
Ericsson wall phone
L.M. Ericsson
First Ericsson phone, with helical microphone
First Ericsson phone, with helical microphone
L.M. Ericsson
Gower-Bell Telephone
Gower-Bell Telephone
General Post Office/BT
Silvertown Set
Silvertown Set
National Telephone Co. (UK)
Three-Boxer Circa 1880
Three-Boxer Circa 1880
American Bell Charles Williams Jr. Shop
National Bell merges with American Speaking Tel. to become American Bell Telephone Co.
National Bell merges with American Speaking Tel. to become American Bell Telephone Co.
Photo: New York's central telephone exchange office
New York's central telephone exchange office
Bell turns his focus to the Photophone
Alexander Graham Bell
Photo: Ordinary Bell telephone
Ordinary Bell telephone
British government rules for Bell against Edison
Thomas Edison
Photo: French engraving with early Bell phones
French engraving with early Bell phones
American Bell creates Long Lines division
Photo: Western Union Charleston West Virginia office, 1880
Western Union Charleston West Virginia office, 1880
Western Union carries 29 million telegraph messages per year
Western Union carries 29 million telegraph messages per year
Doolittle joins American Bell
Thomas B. Doolittle
Telephone service begins in Canada, Mexico, Australia, Sweden and Denmark
Bell Telephone Company of Canada founded
Bell Telephone Company of Canada founded