Summary

Two diodes:
1. Rectifier diode specifically designed for use in the Philips type 3003 'B' and 'C' battery eliminator. This valve was used to provide the bias (C) supply. 4 volt directly heated cathode.
2. A small diode specifically designed for use as the bias voltage rectifier in the Philips type 3003 battery eliminator. 4 volt directly heated cathode. Manufactured by: Philips, Holland.

Physical Description

1. Conical glass bulb with 3 pin European style base base. Mounted on a display block. 2. Conical bulb on three pin European style base.

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