Snap shook his head. “Let’s look from here, and think about what we see. The Clock is a machine. It has gears that mesh together. 16,384 gears in the outer layer alone, although you can’t see them now. They are cleverly built, with fine bearings, but the still they generate heat. Look at the snow, falling on the shell of the Clock, but not melting.”
The paragraph above was written for chapter 36 of Like Clockwork, and then deleted. It was too detailed. It told an accurate bit about an important part of the world of Like Clockwork, but it also slowed the story down.
For those who follow this blog looking for hints about writing, here is a koan, or a parable, or a rule of thumb, depending on how fancy you like in your language:
Think up a thousand nifty things for your novel, hold them firmly in your memory, but write down only ten of them. If you use them all, you will never get to the end of your novel, and neither will your reader.