I lost sight of him behind a stack of chimneys, but he presently reappeared, and then vanished once more upon the opposite side.

When I made my way round there I found him seated at one of the corner eaves.
"That you, Watson ?" he cried.
"Yes." "This is the place.

What is that black thing down there ?" "A water-barrel." "Top on it ?" "Yes." "No sign of a ladder ?" "No." "Confound the fellow! It's a most break-neck place.

I ought to be able to come down where he could climb up.

The water-pipe feels pretty firm.