The 35TG is a 50 watt dissipation triode that has the same characteristics as the 35T except for the side grid pin on the 35TG and slight differences in capacities. Both have a mu of 39 and a maximum of 100 MHz for full ratings. The first example is the earliest version of the tube and the second is post war. The third example has been branded VAC-TRON but appears to be a late model Eimac.
Length = 5.50" Diameter = 1.80"
Max voltage = 2000 VDC
Max current = 150 ma
Fil voltage = 5 volts
Fil current = 4 amps