Telephone trouble book
Subtitle: District 1
By: [prepared by R. B. Adams, telephone engineer, Forest Service]
Contributors: United States. Forest Service
Publisher: United States, Department of Agriculture, Forest Service
Published: 1923
Place of publication: Wash., D.C
Language: eng
Number of pages: 41
Subjects: United States. Forest Service; United States; Telephone lines; Communication systems; Maintenance and repair