Search Loci: Convergence:
Numbers are intellectual witnesses that belong only to mankind.
Van Schooten's Ruler Constructions
Details of first solution to Problem 1
The sharp reader will notice that in this solution, we seem to assume that segment AC is shorter than segment AB. Though that can easily be circumvented, the solution will not quite work as given in the special case that AC equals AB. These issues do not seem to bother van Schooten at all.