2 tubes type LP2 Marconi made in Italy

with own box

power triode 

big globe shape balloon 

direct heater triode DHT

silver mono plate ribbed

hanging filament 

silver pan getter bottom 

black pinched socket base

with original labels (partial) of military selection

tested strong with 2 volt heater & 150 volt on anode = 34mA & 32mA (reference good at 19mA)

LP2 = VT140_GPO = NR42

tuber type Power Output triode from late 1920's rare

Socket base  Europe 4-Pin B4 

Filament heater Vf 2 Volt / If 0.2 Ampere / Direct / Battery =

box 207