"I tried searching for geraniums just to see if it worked ok, and a couple of surprises turned up:
2N671 Veb 40v
2N675 Veb 70v
T1393 Veb 40v
T1656 Veb 70v "

Really ? Seventy frikken volts ? That is phenomenal.

What can I do with that ?

(probably nothing but it's nice to know)