Summary

Full wave rectifier for use in radios with moderately high power requirements. It had a 4 V indirectly heated cathode.
Manufacturer: Philips, Holland

Physical Description

Shouldered bulb with 8 side contact base. Two nails have been soldered on a pair of opposite pins on the base. Bulb has been sectioned so the type number and shape of the bulb are still distinguishable.

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