Tektronix TM503 Mainframe w/ PS503A , DC 504, and PS501

Tektronix TM504 TM 504 Mainframe + DL 502, AM 503 Amp, PS 503a, PG 505 Plug Ins

Tektronix 7704 A Oscilloscope System Opt 9 W/ 7A19 7A18 7B71 and 7B53A Modules

Tektronix TM-504 w/ PS501 PG505 FG502 Modules Powers On

Tektronix 475 Ocilloscope (Parts)

Tektronix 5S14N Dual Trace Delayed Sweep & 7B53A Dual Time Base Plug-in Modules

Lot of 3 Tektronix 7B53AN Time Base & 7A18N Dual Trace Amp Plug-In Modules

Tektronix 465B Oscilloscope 100MHz Dual Channel Parts/Repair 1537