Does anyone remember the old style coffee percolators that were used for camping/backpacking?

I’m researching equipment that I will need for a backpacking trip and am wondering if anyone remembers the old style coffee percolators. If you do, do you know if you can still find them and where?
Thanks, any info would be helpful

Can’t remember the name for this coffee maker ?

I saw this coffee maker somewhere that instead of putting in coffee beans and a filter, you put these little cups of coffee beans in this spot in the coffee maker, and then you push the lid down and hit “brew”. It looked so cool because you could have a different flavored cup of coffee [...]

I can not remember how to mix water and vinegar to clean a Mr. Coffee coffee maker. Should I mix it?

half and half and run it through and then run a couple of water only cycles. Tell me what you think?