Monsieur and Mademoiselle Stangerson must have found it an ideal seclusion for their work and their dreams.
___________________________________________________ ditch | ________________________________________________ | enclosing wall || || | | || || | | ||___ 1 |d | ||bed| || |i | PARK ||___|________|| |t | ||:::::| 4 || |c | ||::5::| || 2 |h | oo oo ||::::|___ _|| | | Traces oo || || | | of oo oo oo | | Footsteps|| || | | || || | | || 3 ||___________| |______________ || || 6 | ditch ||____ ____||___________|_________________ door enclosing wall Here is the ground plan of the pavilion.

It had a ground-floor which was reached by a few steps, and above it was an attic, with which we need not concern ourselves.

The plan of the ground-floor only, sketched roughly, is what I here submit to the reader.
1.

The Yellow Room, with its one window and its one door opening into the laboratory.
2.

Laboratory, with its two large, barred windows and its doors, one serving for the vestibule, the other for The Yellow Room.
3.