A simple instrument for measuring sag in telephone lines
By: by George M. Byram, meteorologist
Contributors: Appalachian Forest Experiment Station (Asheville, N.C.)
Series: Technical note / Appalachian Forest Experiment Station -- 58; Technical note (Appalachian Forest Experiment Station (Asheville, N.C.)) -- 58.
Published: 1944
Language: eng
Subjects: Forest management; Telephone lines; Maintenance and repair; Equipment and supplies
Notes: Caption title.

"July 15, 1944."