[math-fun] YouTube: Making a sphere on a lathe
21 Apr
2018
21 Apr
'18
12:16 p.m.
FYI -- several months ago, we discussed how to make a spherical object with a lathe, as might have been done circa 1500AD. Here's an 11-minute YouTube video showing exactly this process: https://www.youtube.com/watch?v=hZT0ZTvRFxI #40 Hybrid Sphere Burl & Resin "Red Dawn"
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Henry Baker