Vintage General Electric 931A/27M1/CV337 9 stage Photomultiplier PMT Valve- BangyBang Tubes

$35.00

Brand	General Electric
Model	931-A
Type	9 Stage Photomultiplier
Description	9 stage Photomultiplier Peak spectral response 4500 Å Base 11pin Sub Magnal
Similar/Equiv	27M1 CV337
Condition	New in Box (NOS)
Tubes per listing	1

09XXX