"Dave Hinz" wrote in message
...
On Thu, 10 Mar 2005 14:28:08 GMT, RoyJ wrote:
You can do a nice job with one of the el-cheapo laser levels. This one
is $10 at Harbor Freight.

Problem with a laser level, is you get a nice straight line, but your
level is only as good as that bubble on that tiny level. For a few
feet, you're probably right on. But, how much error in that bubble would
it take to be off by an inch, at 50 feet? Not a hell of a lot. Water is
much more dependable, can't be mis-calibrated, and has been in use as a
level for laying out buildings, since the pyramids were built.

Exactly, the word "laser" makes it sound like no errors are possible even on
an el-cheepo version.