This page is part of the “Makhonine” file.

- Makhonine: variable geometry aircraft
- Makhonine: fuel by coal liquefaction

The article (click on the images to enlarge):

The article reads in 3 columns to the bottom, so you have to go back to the 1st image at the end of each column.

More:
- Press review on the fuel Makhonine
- Variable Geometry Aircraft