Tektronix Mini Oscilloscope Model 221 worth using?

[CoogarXR]

I picked up this cute little oscilloscope at an estate sale. I was going to flip it on e'bay, but since nobody wanted it, I am going to keep it. I like that it's so small, it doesn't command much bench space

I have been wanting to re-learn the 'scope for a while now, and I wonder if this one is worth using for general audio/TV work. I haven't used a 'scope in about 15 years, so I don't remember much.

What do you think? I don't even know if it works properly. I know the dot moves across the screen, and it speeds up when you turn the sec/div knob.

If it is worth keeping, can you recommend a probe set I could buy cheap?

[jr_tech]

It appears that the probe is still attached (it wraps around the back) but is missing its spring loaded tip... some sort of BNC connector has been cobbled onto the end of the standard probe. The standard probe is attached internally, and cannot be unplugged without separating the upper and lower parts of the case.
Are you missing the Vertical attenuator Knob as well?
Stan Griffiths in Aloha OR (W7NI) author of "Oscilloscopes-Selecting and Restoring a Classic" has been a good source of parts in the past. 503 649-0837...old number, might still work. Or the website below:
http://www.reprise.com/ash/clients2/home.asp
jr

[CoogarXR]

Yeah, I accidentally turned the knob the wrong direction and it snapped off in my hand. The switch is fine, just the knob broke off.

I think the "cobbled" probe is from the factory, all the other ones on e'bay look the same.

Here's the side shot-

And the probe-

[jr_tech]

The probe on this eBay 221 looks correct:
http://cgi.ebay.com/Tektronix-Model-...item27bc3d9ac9
Yours may be a homemade demodulator probe.
not affiliated,
jr