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https://youtube.com/watch?v=_16fE3BhmlIUnboxing and testing even more weird old mouse devices on a Windows 98 PC! Checking out a Sony clamshell mouse...
optical
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https://youtube.com/watch?v=6YLcXEUgjbMYou got a F4 Newtonian Telescope??? Wanting to tune it for superb Astro images then check out this cool product!!!...
