Or, if you really don't mind climbing the tower, just leave the bottom of
the string free and refer to the comments on using a string.
----- Original Message -----
From: "David Gilbert" <firstname.lastname@example.org>
Sent: Thursday, July 29, 2010 1:31 PM
Subject: Re: [TowerTalk] Re Plumbing a Tower
> I'm kind of confused about all this discussion involving the use of a
> plumb bob, which I think would be impractical in most environments.
> It seems to me that there are two considerations at hand:
> 1. Trying to make the tower straight
> 2. Trying to make the tower vertical.
> An easy guide for first objective can be accomplished by fastening a
> string (or rope for better visibility from the ground) to the top and
> bottom of the tower (spaced a few inches from the tower) and stretching
> it taught. It isn't even necessary to measure the distance from the
> tower to the line ... you just stand to the side and look for parallelism.
> Making a straight tower vertical would only require the help of a good
> level applied to the bottom section.
> Why would that not be sufficient?
> Dave AB7E
> p.s. It is possible to make the guideline taut as a guitar string by
> doubling it and using a lever (piece of wood) to twist the pair.
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