I opened my eyes. I saw houses squashed flat as if they had all fallen down from the skies; a smoke fog seemed to drown them. Over my head ragged clouds were drifting past, and by an optical inversion they seemed stationary, while the steeple, the ball and I were all spinning along with fantastic speed. Far away on one side was the green country, on the other the sea sparkled, bathed in sunlight. The Sound stretched away to Elsinore, dotted with a few white sails, like seagulls’ wings; and in the misty east and away to the northeast lay outstretched the faintly-shadowed shores of Sweden. All this immensity of space whirled and wavered, fluctuating beneath my eyes.

But I was compelled to rise, to stand up, to look. My first lesson in dizziness lasted an hour. When I got permission to come down and feel the solid street pavements I was afflicted with severe lumbago.

“Tomorrow we will do it again,” said the Professor.