Earlier quoted context omitted.
I’ve heard of bootstrapping a machine shop from a lathe as well—apparently there’s a series about it, written by this guy: https://en.wikipedia.org/wiki/David_J._Gingery
Gingery did even better than showing how to bootstrap from a lathe. He showed how to bootstrap the lathe itself starting from building a charcoal foundry and chunks of raw metal. Be careful, though: this is a rabbit hole that draws maker-types like rare earth electromagnets. Once you read through Gingery's books, you can easily find yourself wandering down the library stacks and Net pulling up information about how t…
The winning strategy so far seems to be duplication, so it's about time we get some colonies on other planets to help ensure continuation of the metaspecies.