Meanings of rotary converter in English

Gee, these tubes and chokes, this millimeter and that rotary converter down below-they'd done a mighty job.

The little rotary converter whirred softly; there was no chance Warriner could hear it above the noise of the engine.

Smith seated himself beside a huge electrical machine, a rotary converter which he next indicated with a jerk of his thumb.

The outstanding feature of the Dubilier system is the production of sine waves of musical frequency from continuous current, thus dispensing with the rotary converter.