Electric switch and controlling gear.
Subtitle: A handbook on the design, manufacture and use of switchgear and switchboards in central stations, factories and mines
By: by Charles C. Garrard.
Edition: 2d ed. rev. and enl.
Series: Electrician series
Publisher: Benn Brothers Limited
Published: 1920
Place of publication: London
Language: eng
Number of pages: 654
Subjects: Electric switchgear