Not Available. "Telegraph equipment." Georgia State University. Special Collections. 1910/1989, http://digitalcollections.library.gsu.edu/cdm/ref/collection/broadcast/id/2097.

Not Available (1910/1989). Telegraph equipment. Retrieved from http://digitalcollections.library.gsu.edu/cdm/ref/collection/broadcast/id/2097

Not Available. "Telegraph equipment." 1910/1989. June 22, 2025. http://digitalcollections.library.gsu.edu/cdm/ref/collection/broadcast/id/2097.