prapanavala: my friend, why shouldn’t you write a book?s happy to sit at his amsterdam laboratory. for hours there is black smoke from the chimneys, for hours there is red smoke, and for hours there is ore. the neighbors are sad, and they want us all to leave. in 1650 , the book “artsis magnai artylerai” was published in amsterdam. great skill of the artillery. pain for 300 staronak, two hundred baby. tables and many secrets, which were never passed down to whispers from father to son. yak atrymats chorny porah? was adzina swearing at that hour? how to create a smoke barrier on the battlefield? how to lose the caliber and vagus of the core. this book and section were illuminated by rockets. the current state of respect has not returned, but the last 250 years are familiar with the signs of navukovets kanstancin tsyyalkovski. u acham. we don’t believe it, this is a genuine sensation, as in the 17th century magli gave thought and such. at prince semyanovich's there was a genuine design for a three-stage rocket, but there were several variati