The design is made of glass with a side outlet on the cylinder.
Item Tag: CRT Tube
Vintage Anchor SP 43 Picture Tube Britener with Box Untested TV Repair Part
Vintage Anchor SP 43 Picture Tube Britener by Antronic Corporation, a specialized electronic component designed for 5 or 6 lead TV picture tubes. This 4-way universal series and parallel unit was manufactured in Chicago and comes in its original mid-century graphic box. The device features a multi-colored wiring harness and clear instructional labeling on the cylindrical body. A fascinating piece of television history, perfect for collectors of vintage electronics, radio/TV repair enthusiasts, or as a display piece for mid-century industrial design.