The change from manual to dial operation in the telephone industry
By: by Ethel L. Best.
Contributors: United States. Women's Bureau.
Series: Bulletin of the Women's Bureau -- no. 110; Bulletin (United States. Women's Bureau) -- no. 110.
Publisher: U.S. G.P.O.
Published: 1933
Place of publication: Washington, [D.C.]
Language: eng
Number of pages: 15
Subjects: Telephone, Dial.
Notes: At head of title: United States Dept. of Labor. Frances Perkins, secretary. Women's Bureau. Mary Anderson, director.