About the book: 2020 / Transfer of consciousness from the present century to the seventeenth century. Everything else is as usual, irrepressible progressivism and know-it-all. At the request of readers, I am returning the draft text to its place. 12/30/2016 For those who believe that it is impossible to build a koch at the end of the 17th century, make a small steam engine and go down the rivers to the sea - GO THROUGH THE FOREST. The latest update is due to a severe attack of rivet testing.