The metal lathe is not really a 'modern' invention is it? | Hacker News

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		6nf on Feb 10, 2020 \| parent \| context \| favorite \| on: Ask HN: What’s the most important modern simple in... The metal lathe is not really a 'modern' invention is it?

maxerickson on Feb 10, 2020 | [–]

There's an upward spiral of precision:

https://en.wikipedia.org/wiki/Screw-cutting_lathe#Modern_scr...

aaronblohowiak on Feb 10, 2020 | [–]

The screw cutting metal lathe is within the time frame given by the OP.

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