The workman took off his coat leisurely and hung it on one of the spikes of the rail, saying something to a policeman who just then sauntered along.

The policeman nodded acquiescence, and the man kneeling down placed his bag beside him.

After searching through it, he took out a selection of tools which he proceeded to lay beside him in orderly fashion.

Then he stood up, looked in the keyhole, blew into it, and turning to his employers, made some remark.

Lord Godalming smiled, and the man lifted a good sized bunch of keys.
Selecting one of them, he began to probe the lock, as if feeling his way with it.