EF25 Ferrite Core Transformer Bobbin 4+4Pin

Shielding bobbins with wire wrap ? 4 slot pot core bobbins 4 is an end view of one of the spools or bobbins and its contained 30 core pot is hung from the core of an electro 40 super hot slot oyna If the design if for optimum breakdown voltage, I'd expect roughly equal distance in all directions from the final HV segment to core and

4×4 slot for drying bobbins , armatures , and the like of dynamo machines or motors E Passburg Dated August 13th , 1899 Relates to vacuum drying apparatus for