Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 239
ig \RuODena FOB. ^ ^ R.CBT AND LCrT obstaClC. Let us suppose that he has halted the sled by signal and has stepped out of it to make an examination. Not finding what he seeks, he steps aboard of his sled and takes his seat. At the same time, he telephones up to the captain of the motor-boat that he… … THE DRAEGER SUBMARINE SLED. Then he brings the sled to the surface and istowed along in the sunshine. While at the sur-face he opens the face-plate of his helmet andbreathes the free air, closing the valve of hisoxygen tank, and thus holding this air in reserveuntil he goes under water again. In…
Children's literature
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