American standard for electrical indication instruments.
By: Sponsor: Electrical Standards Committee.  Approved March 1, 1949.
Contributors: American Standards Association. Electrical Standards Committee.
Edition: [Rev. ed.
Publisher: American Standards Assn.
Published: 1949
Place of publication: New York
Language: eng
Subjects: Electric meters.
Other titles: Electrical indicating instruments.
Notes: At head of title: ASA C39.1-1949.
"A revision of the first American standard on electrical indicating instruments, C 39.1-1938."
Table of contents: title: pt. 1. Switchboard and panel instruments.