Many CNC machines in operation are retrofits of WWII era manual lathes and mills. There are so many of those still in existence, and the demand for small scale

Many CNC machines in operation are retrofits of WWII era manual lathes and mills. There are so many of those still in existence, and the demand for small scale machining is so small in the US these days that the market for high quality machining tools have effectively segmented into huge modern CNC machining centers worth hundreds of thousands to millions of dollars, and many decades old refurbished tools for small scale, simple one offs and hobbyist tools.