What is this and what's it worth? I found it while cleaning up an abandoned house.
This is not technology
>>61378893
install gentoo
antique circle jerk machine.
>>61378893
I'm guessing it's for finding the relative location of stuff you're looking at, or your location relative to known geometry. It looks like it has a level and compass for calibration, and it measures rotation and tilt of the telescope.
>nav
Lol no.
That'd be a mortar/machine gun sight.
>>61378999
Fuck off back to /csg/ you consumerist mongoloid.