Date   
Dumont knock off of Tek By greenboxmaven · #157842 ·
Hello to the group, and a WTB By greenboxmaven · #157845 ·
Hello to the group, and a WTB By greenboxmaven · #157851 ·
TDS520B - the screen gradually expands and then darkens in about 20 mins By greenboxmaven · #157922 ·
TDS520B - the screen gradually expands and then darkens in about 20 mins By greenboxmaven · #157927 ·
OT!!! OT - WARNING OT! - Spark plug internal resistance -- OT OT OT ...with a later possible tie-in to Tek scopes! By greenboxmaven · #158117 ·
letter series plugins By greenboxmaven · #158522 ·
letter series plugins By greenboxmaven · #158531 ·
Is an early 7A26 a keeper? By greenboxmaven · #158690 ·
547 Fan lubrication By greenboxmaven · #158812 ·
non-gumming oil By greenboxmaven · #158835 ·
non-gumming oil By greenboxmaven · #158847 ·
non-gumming oil By greenboxmaven · #158878 ·
Fan direction on TEK485 By greenboxmaven · #159125 ·
Thoughts on TDS744A By greenboxmaven · #159193 ·
WTB: Tektronix hand Held scopes By greenboxmaven · #159439 ·
OT- question relating to DC shunt motor schematics By greenboxmaven · #159443 ·
OT- question relating to DC shunt motor schematics By greenboxmaven · #159449 ·
WTB: Tektronix hand Held scopes By greenboxmaven · #159509 ·
Buying replacement tubes By greenboxmaven · #159558 ·