New adiditions to my tube collection after attending the AWA Rochester Conference

EIMAC VT-127A

Telefunken RL12P35 This one is different from the other one I've seen, it has a third cap on top.

ELECTRAD DIODE, circa 1922 These appeared on the market right after the Fleming diode patent expired in November of that year.

Bottom view showing unusual socket.

DeForest Type 500 Transmitting Tube