The British magazine “Practical Householder” reminds readers about the DS one the oldest methods-plan sections using the so-called Egyptian triangle with sides in the ratio 3:4:5. If you make a triangle out of durable nylon twine, combining stretches it with a metal SANB, we will get a reliable and accurate tool for marking angles.
Recommend to read
OF OBEDIENT METAL
In our today's collection of commemorative gifts to guests of the XII world festival of youth and students gifts, coined by reader "M-K" Muscovite K. Skvortsov. The Foundation of them...
ITALIAN SUBMARINE “MOSQUITOES”
"Dwarf" submarine or midget submarines occupy a special place in the underwater shipbuilding. Of them, in fact, grew large submarines with a displacement of tens of thousands of tons...
