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ID = 70659
Brand: Common type France tube/semicond.
Developer: Radiola (marque) 
Tube type:  Oscilloscope CRT, picture tube   Indication 
Identical to F8021A

Base German Steel 10 pin, Y10A
Was used by Technology / Measurement
Filament Vf 6.3 Volts / If 0.5 Ampere / Indirect / Specified voltage AC/DC

Round oscilloscope crt
Diameter : 180mm
Electrostatic focus and deflection with post acceleration

- F8021AP11 : short persistence blue
- F8021AP7 : long persistence blue
- F8021AP1 : medium persistence green

Manufacturer CSF

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 475 x 181 mm / x 18.70 x 7.13 inch
Weight 1700 g / 59.97 oz
Information source -- Collector info (Sammler)   Listed on Frank's Electron tube Pages

oe418pa_crt_csf_culot1_s~~2.png F8021A: Manufacturers data
Patrice Zeissloff

Just Qvigstad
F8021A: Manufacturers data
Patrice Zeissloff

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