PC

As soon as the liquids have soaked into P C, you can put Z in place, when the cell will be ready for use.

Please, sir, can you tell me which gentleman of your party wears a bright blue dress coat, with a gilt button with P. C. on it?

I trotted on quickly by his side, and before we reached the cover had managed to slip in something about Sir P. C.

Footnote by the gentle reader: P. C., go on with your story!

The line p c is then plainly the line of direction of the teeth.