Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1095
ing is very strong compared to the field, it \^ill be considerable. In dynamos, with increasing load, the brushes shouldbe shifted in the direction of rotation, and in the oppositedirection when the load decreases. Never allow a dynamo or motor to stand in a damp placeuncovered. Moisture is apt to… … Fig. 457circuits in a series dynamo or motor the armature, or commutator, it is bound to cause trouble.Water should only be used in case of emergency, and thensparingly. Sparking.—V^Tien a current is broken there is always aspark, which is greater the more turns in the wire, and themore iron within…
