I wouldn't recommend that particular HP for a beginner. It is an analog storage scope and those special CRTs go bad much quicker than non-storage tubes. One failure mode is a permanently burned-in trace picture. If you don't know how to use this kind of scope, that could easily happen. In the picture the CONV light is on, it is in "conventional" mode, ie non-storage.
Storage in this scope does not mean digital storage, you're not downloading these waveforms to a PC unless you take a picture of the CRT! (Eh, I did most of my college assignments like that with my Amiga back in the day)
Not only do you lose a lot of brightness with usage with these tubes, also the trace is not as sharp, and using the analog storage mode can be tricky, you need to twiddle the write current before being able to capture an event. Also you need to "deep erase" the tube once in a while to prevent burn-in. The scope can do it, but not by itself, you have to remember!
If you decide to buy it, make sure the manual is included in the storage pouch, it contains the schematics.
Also make sure the 50 ohm inputs work, they can blow easily. You need to manually switch out the 50R input when not needed.
Many analog storage CROs have had very few hours in that mode, as it is not necessary for much general work.
It comes in the "nice to have but hardly necessary" category.
A lot of "waveform display storage" was done using Polaroid 'scope cameras, which gave a permanent hard copy of the usual waveforms being tested.
Many came equipped to use "projected graticules".
These were used by fitting the waveform under examination into the graticule lines, using index points specified in the test procedure.
If the test waveform fitted within the graticule limits, it was "in spec ".
A photo was then taken so other people could check if you had stuffed it up.
The 1741a seems to have a bit more "high tech" storage than others of this ilk, with various interesting functions, such as "auto erase".
It also has automatic beam current limiting in the storage mode, so it may be protected to some extent from "burn in".
I only remember using a HP 1741 on one occasion, I mostly used Tektronix instruments, & some HP180s from time to time.
I wouldn't be heartbroken if the 50ohm inputs didn't work, as that just makes things the same as most other100MHz 'scopes.
As more of a Tek enthusiast, I would suggest the OP shop around a bit for a non-storage Tektronix.
If there are any Hamfests where he is, there may be several 'scopes for sale on the day, or maybe not
You take your chance.
Don't reject other brands which have delayed time base though, a couple of Hamfests back, I "passed" on a very nice Cossor 35MHz Oscilloscope, with that mode, in good condition, for $A40.
I really didn't need another 'scope, but when does "need" come into it?