В январе 1938 года начался конкурс (Specification Number 98-102) на создание двухмоторного среднего бомбардировщика. NAA выставила свой проект NA-40-1....
The fast and easy way to ace your statics course
Does the study of statics stress you out? Does just the thought of mechanics make you rigid? Thanks to this book, you can find balance in the study of this often-intimidating subject and ace even the...