Filter The Network by: All Operators (28) Office systems (23) Exchanges (22) Cables and wires (18) Dialing (17) Payphones (16) Data services (11) Operations (10) Line workers (5)
Phelps' "Electro-Motor Printing Telegraph" enables 60 WPM speed
Phelps' "Electro-Motor Printing Telegraph" enables 60 WPM speed
1875
PDF: Kellogg 1908 Intercoms Catalog
Kellogg 1908 Intercoms Catalog
1908
PDF: Connecticut Telephone 1915 Intercoms catalog
Connecticut Telephone 1915 Intercoms catalog
1915
PDF: Kellogg 1916 PBX Switchboards catalog
Kellogg 1916 PBX Switchboards catalog
1916
PDF: Kellogg 1918 Intercoms Catalog
Kellogg 1918 Intercoms Catalog
1918
PDF: Select-O-Phone intercom system brochure
Select-O-Phone intercom system brochure
1920
PDF: Dictograph 1923 Catalog
Dictograph 1923 Catalog
1923
PDF: Kellogg 1928 PBX Switchboards catalog
Kellogg 1928 PBX Switchboards catalog
1928
PDF: Simplex Fernsprecher brochure
Simplex Fernsprecher brochure
1936
Ad: British Dictograph
British Dictograph
1936
Ad: Dictograph intercom
Dictograph intercom
1944
Telex service spreads around the world
Telex service spreads around the world
1945
PDF: Fernsprech Reihen-Apparat brochure
Fernsprech Reihen-Apparat brochure
1952
Photo: TN service counter
TN service counter
1957
Ad: Call director
Call director
1960
Automatic (no operator) Telex service launches in England
Automatic (no operator) Telex service launches in England
1960
PDF: Are You Getting The Most Out Of TELEX?
Are You Getting The Most Out Of TELEX?
1963
PDF: LP 3 Electronic Secretary Telephone Answering Set
LP 3 Electronic Secretary Telephone Answering Set
1967
PDF: Telephones for Businesses
Telephones for Businesses
1976
PDF: Telex With Teleprinter
Telex With Teleprinter
1978
PDF: Post Modell Frankfurt brochure
Post Modell Frankfurt brochure
1979