1	2	3	4	5	6	7	8	9	tc	Base
ic	ic	k	f	f	ic	ic	ic	ic	a	B9A

Vf	Af	Va	mAa	series res.	cap. (max)
6.3	1.1	625	125	150Ω	16μF

Note: there is also a Dario R18 (1925), a space charge tetrode:

 

Vf	Af	Va	mAa
3.8	0.36	0-20	2-3