Practical electricity, with questions and answers (1901)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 157
armature reaction is thesparking* that occurs on the commutator of the direct cur-rent dynamo or motor. Every ordinary machinehas a load -at which it will spark. Consid-eration of Fig-. 55 shows that the current isflowing through the coil in one direction just beforeit reaches the brush and is… … o^—^-^o Figure 55Commutation in Gramme ring armature. this in detail. Three coils are shown, a, b and c. In cthe current is traveling through the coil in one direction;/he coil b is short circuited by the brush. In c the curren:ife traveling through the coil in the opposite direction tcihaX in a.…
Electricity · Electric generators
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-374-208.webp)
