The application of electricity and magnetism to transmission in the telephone plant.
APA Citation
American Telephone and Telegraph Company. (1923). The application of electricity and magnetism to transmission in the telephone plant. [New York?]: American Telephone and Telegraph Company.
MLA Citation
American Telephone and Telegraph Company. The Application of Electricity And Magnetism to Transmission In the Telephone Plant. [New York?]: American Telephone and Telegraph Company, 1923.
Warning: These citations may not always be complete (especially for serials).