Date   
Need another 475 part ... By Mike Harmon · #154388 ·
Need calibrator loop for 475 portable scope By Mike Harmon · #154354 ·
Strange Probe ... By Mike Harmon · #150924 ·
WTB - Front Cover For 485 Portable Scope By Mike Harmon · #148093 ·
WTB - Power Supply For 7704A By Mike Harmon · #147793 ·
Need CRT Socket For 7704A By Mike Harmon · #147040 ·
Bench Built Isolation Transformer By Mike Harmon · #86088 ·
Bench Built Isolation Transformer By Mike Harmon · #86038 ·
454A With Strange Oscillation By Mike Harmon · #85026 ·
454A With Strange Oscillation By Mike Harmon · #85000 ·
WTB - Tek 454A Parts Donor Scope By Mike Harmon · #83838 ·
485 With Missing Inverter Board Inductor By Mike Harmon · #83576 ·
WTB - Front Cover for Tek 485 Portable Scope By Mike Harmon · #83378 ·
OT - Need help with some old obsolete logic chips By Mike Harmon · #64938 ·
OT - Need help with some old obsolete logic chips By Mike Harmon · #64849 ·
OT - Need help with some old obsolete logic chips By Mike Harmon · #64807 ·
Part Needed for 453A - Tek P/N 354-0385-00 By Mike Harmon · #61361 ·
Tek 475 scope needs repair By Mike Harmon · #58844 ·
"new" 453 By Mike Harmon · #50939 ·
(OT) - Need Info - Electrostatic Voltmeter Adapter (?) By Mike Harmon · #50130 ·
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