human
What's the little weight on the string?
gpt
Oh, that's our plumb-bob, replied the surveyor.
human
Bob shows us just when a line is straight. Now watch.
gpt
Now see, that is plumb,
human
Everything has to be just exactly, hasn't it? she queried, wondering why.
gpt
First, you strain your alcohol with cobwebs, then you drop your bob on the little peg straight as the string----
human
That is just where we get the expression from, her companion assured her.
gpt
Nothing can be straighter.
human
And how do you get the mark on the tree?
gpt
Look through the glass again.
human
Couldn't I chop a nick in this one? It is so beautiful, and when we come another day I can add another nick--just like a calendar.