MIL spec Variable Capacitor by Cardwell Condenser type GB2525, 1.5 - 8 pF, NOS
1 pc of MIL spec variable glass=?. capacitor made by Cardwell Condenser type GB2525 from the 1950s, range from 1.5 - 8.0 pF. Very rare and expensive MIL component, usually only used in military radar and spacecraft engineering.