Permission of Scientific American.

Salvaging H-3, View I.

Permission of Scientific American.

Salvaging H-3, View II.

Permission of Scientific American.

Salvaging H-3, View III.

"Who's got a knife? A knife! a knife!" bawled a sweating seaman in the bow.

"Great God! Give him a knife," bawled a half-dressed, gibbering negro stoker who wrung his hands in the stern.