A guy is walking past a high, solid wooden fence at the insane asylum and he hears all the residents inside chanting, "Thirteen! Thirteen! Thirteen!" He continues walking along the long fence, but, being a curious person, he can't help but won... Read more of Asylum fence at Free Jokes.caInformational Site Network Informational
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DRAWING A SPIRAL.





(Patchwork Puzzles)
If you hold the page horizontally and give it a quick rotary motion
while looking at the centre of the spiral, it will appear to revolve.
Perhaps a good many readers are acquainted with this little optical
illusion. But the puzzle is to show how I was able to draw this spiral
with so much exactitude without using anything but a pair of compasses
and the sheet of paper on which the diagram was made. How would you
proceed in such circumstances?


Read Answer






Next: HOW TO DRAW AN OVAL.

Previous: THE GARDEN PUZZLE.



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