1899
1901
Bavarian Wall Telephone by Wetzer
Couch and Seeley Fiddleback
Ericsson intercom phone
Garl Electric Co. 8 Point Inter-Communicating Desk Set
North Electric Potbelly
Oilcan
Rope Shaft Candlestick
Siemens and Halske French intercom phone
Silver Dollar Pay Station
Sumter Telephone Mfg. Co. #19 Rope Shaft Candlestick
Swedish field telephone
Swiss Table Telephone by Bell/Hasler
Telephone Switchboard, c. 1900
WE 21 'Erie' Candlestick
WE 293A
Pupin loading coils patented
PDF:
AT&T Annual Report, 1900
Ad: Century Desk Set
Lars and Hilda Ericsson retire from Ericsson
PDF:
Connecticut Telephone 1900 brochure
Ad: American Electric Potbelly
Fessenden achieves first wireless voice transmission
PDF:
Kellogg c1900 Wood Telephones Catalog
Ad: Hipwell Telephone
PDF:
Rural Telephone Lines And How To Build Them
