What if you need to draw a circle, and a compass at hand is not! To get out of this situation by making a simple compass of the bent and strapped to the pencil in the right place for a stylus pen, as shown in the figure.
Recommend to read
THE BED-INVISIBLE
THE MYSTERY OF MY GRANDMOTHER'S TRUNK. Looking at it, you can assume anything you want, but not what is hidden inside... the bed. Here rises and becomes a headboard cover, opening rolled...
AMPHIBIAN VICKERS VIKING
In December 1918, the chief designer of the British company "Vickers aircraft" Pearson took over the project of amphibian aircraft. The idea looked interesting: this machine could be...
