Image from page 872 of "The Bell System technical journal" (1922)
Image from page 872 of "The Bell System technical journal" (1922)

Identifier: bellvol35systemtechni00amerrich Title: The Bell System technical journal Year: 1922 (1920s) Authors: American Telephone and Telegraph Company Subjects: Telecommunication Electric engineering Communication Electronics Science Technology Publisher: [Short Hills, N.J., etc., American Telephone and Telegraph Co.]

Livia Foldes

Source: Image from page 872 of "The Bell System…
Actions
Flag