Carbon, graphite and metal-graphite brushes
Subtitle: a treatise on practical subjects relating to brushes and commutation
By: by the research and technical staffs of National Carbon Co., Inc. Edited by W. C. Kalb.
Contributors: Kalb, Warren C., 1882-
Published: 1947
Place of publication: [New York
Language: eng
Number of pages: 115
Subjects: Brushes, Electric.
Notes: A collection and revision of information contained in bulletins prepared and distributed by National Carbon Company, Inc., under the title: Modern pyramids. cf. Introd.
"Copyright 1946."