Sheets of rectifier tubes (diode) Sheets of rectifier tubes (diode)Sheets of rectifier tubes (diode) Sheets of rectifier tubes (diode)Sheets of rectifier tubes (diode)

5R4GT, (directly heathed twin diode).
5U4GB, (directly heathed twin diode).
5V3A, (directly heathed twin diode).
5V4GA, (half directly heathed twin diode).
5Y3GT, (directly heathed twin diode).
6W4GT, (Damper, heather-cathode diode.).
GZ34, (half directly heathed twin diode).