> Do we know anything at all about the creators of this device? Where was it made? What kind of tools did they use to do the machining? How large was the worksh

> Do we know anything at all about the creators of this device? Where was it made? What kind of tools did they use to do the machining? How large was the workshop or factory where it was manufactured? Who was the target customer, how much did it cost? https://www.youtube.com/watch?v=BLBDKmFG90U https://www.youtube.com/watch?v=BLBDKmFG90U