Judging from my own, the width of each room would be about six feet.

There ought to be no difficulty in locating her porthole from the deck above, nor in attracting her attention.
The one thing I desired now was to reestablish myself fully in her confidence, assure her I was at liberty on board, able and willing to be of service.

This necessity overshadowed all else.

If I could discover means of communication we could plan hopefully, assured of cooperation.

And this seemed possible, the way to its accomplishment open.