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Vintage NRI (National Radio Institute) electronics training lab breadboard trainer, vintage. Untested. Great fun or display it as an office decoration

• The unit features a central breadboard for prototyping circuits, surrounded by fixed-voltage power supplies, a simple function generator, and various LEDs for testing.
• It is designed for educational purposes, particularly for learning circuit fundamentals and TTL logic, and may be used with additional test equipment like Conar meters.