Drum armatures and commutators (theory and practice)
Subtitle: A complete treatise on the theory and construction of drum winding, and of commutators for closed-coil armatures, [together with a full résumé of some of the principal points involved in their design; and an exposition of armature reactions and sparking]
By: Enlarged and revised from a series of articles in "The electrician."
Publisher: Electrician printing and publishing co., ltd.
Published: 1893
Place of publication: London
Language: eng
Notes: Access to portions of this material may be restricted.