You could look out the bathroom's porthole windows and see what's become of the future.

Upstairs is a second room with a porthole window and a new bathroom.

There was a little porthole window from which he saw a sky of blazing stars.

There were five oval porthole windows on each side of the fuselage.

Through the porthole windows I could see passengers moving down the aisle to their seats.

They were stainless steel with circular porthole windows in them.

I look at the porthole window to my left.

The sub was now very close, lights shining into the porthole windows.

A small porthole window showed the view as they descended.

He pulled himself up, his face pressed to the porthole window.