This machine was made by Moore Special Tool Co, using the techniques that they document in detail in their famous book Foundations of Mechanical Accuracy. It's

This machine was made by Moore Special Tool Co, using the techniques that they document in detail in their famous book Foundations of Mechanical Accuracy. It's unfortunate that such a business couldn't survive making such products to the modern day, and these days the remaining Moore machines -- in many ways works of art -- can be found either rusting in outdoor lots, or being auctioned off on ebay for less than the price of shipping. Remaining Moore machines continue to be used to make the precision parts, such as air bearings, that underlie our semiconductor factories and other industries: https://m.youtube.com/watch?v=tst_1oCuWqw https://m.youtube.com/watch?v=tst_1oCuWqw