IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Markings: "Redmond Dynamotor / No.

ELECTRONICS: DynaMotors Inc announced its first production motor in a new family of single-phase variable-speed electric motors for air moving, pumping, woodworking machinery, and other commercial ...

Rather than a commutator, the patented DynaMotor (TM) electronic brushless repulsion (EBR) motor uses controlling electronic switches on a circuit board on the rotor shaft that turns with the armature ...

[Robert Murray-Smith] doesn’t like the price of inverters to convert DC to AC. That led him to build a dynamotor, or what is sometimes called a motor-generator set. These devices are just DC motors ...