Causes and tests. (3000 w.) (No. 60113)
Armature and commutator troubles -- Their cause, effect and repair
Elec Engng
1915
Aufsatz (Zeitschrift)
Englisch
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The connection of armature coils to commutator segments
Engineering Index Backfile | 1916
|Novel starter armature eliminates use of soldered commutator joint
Engineering Index Backfile | 1922