Then, in giving it this screw- looking twist, bend over the top, with a gentle incline all the way down, so that it shall be "out of perpendicular" by about three feet.

Then come down and look at your work, and you will be astonished at it, standing far or near.

The tall, ridgy, curved, conical screw puzzles you with all sorts of optical illusions.

As the eyes in a front-face portrait follow you around the room in which it is hung, so this strange spire seems to lean over upon you at every point, as you walk round the church.

Indeed, I believe it was only found out several centuries after its erection, that it absolutely leaned more in one direction than another.