Rare antique early open-frame electric motor/dynamo featuring a heavy cast-iron construction, exposed armature, segmented copper commutator, adjustable brass brush assembly, external solid wire connections, and a substantial pedestal mounting base.This style of machine represents late 19th to early 20th century electrical engineering and was commonly used for laboratory demonstrations, experimentation, educational purposes, or early industrial applications. The exposed mechanical design makes it an excellent display piece for collectors of antique electrical equipment, engineering history, and industrial artifacts.Condition:Untested; sold as-is for repair, restoration, display, or parts. Electrical operation has not been verified. Components may require cleaning, repair, rewiring, or restoration before use. Expect age-related wear including oxidation, surface rust, scratches, paint loss, and patina consistent with an antique electrical machine. Please review all photos carefully for condition and completeness.Features:* Early open-frame motor/dynamo design* Heavy cast-iron base and housing components* Exposed copper commutator and armature* Adjustable brush rocker assembly* Three terminal binding posts* Original antique industrial construction* Approx. 8.5–8.75 inches long and 8.25 inches tall

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