Demonstration of the Alpine Law. If the length of the cannon is known and 4 meters, and it covers four thousand in the binoculars, then its view of the viewer is a mile.
<a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A9%D7%AA%D7%9E%D7%A9:%D7%90%D7%9C%D7%9E%D7%95%D7%92" class="extiw" title="he:משתמש:אלמוג">משתמש:אלמוג</a>
2006-04-09
<a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A9%D7%AA%D7%9E%D7%A9:%D7%90%D7%9C%D7%9E%D7%95%D7%92" class="extiw" title="he:משתמש:אלמוג">משתמש:אלמוג</a>