

STEAM NAVIGATION. 



CHAPTER T. 



1. Inventors of steam navigation uneducated. 2. First steamers on the 

 Hudson and the Clyde. 3. Sea-going steamers due to British 

 engineers. 4. Progress of steam navigation from 1812 to 1837. 

 5. Atlantic steamers projected. 6. Abstract possibility of the 

 voyage could not be doubted. 7. The voyage had been already made 

 by two steamers. 8. Projects advanced in 1836. 9. Discussion at 

 Bristol in 1837. 10. Report of Dr. Lardner's speech in the Times of 

 27th August, showing the falsehood of the report that he pronounced 

 the project impracticable. 11. Atlantic steam voyage advocated by 

 Dr. Lardner in 1836-7. 12. The practical results of the various 

 projects prove the truth of his predictions. 13. The Cunard 

 steamers, established on the conditions suggested by him, were alone 

 successful. 14. Voyages of these steamers. 15. Other lines 

 established. 16. Probable extension of steam navigation to the 

 general purposes of commerce. 17. Auxiliary steam-power the most 

 probable means of accomplishing this. 1 8. Advantages of subaqueous 

 propulsion. 19. Means of realising them. 20. Improved adaptation 

 of steam-power to vessels of war required. 21. Mercantile steam- 

 marine available for national defence. 22. Principle of marine- 

 engine. 23. Propellers. 24. Paddle-wheels and screws. 25. 

 Arrangement of paddle-wheels. 26. Paddle-shaft. 27. General 

 arrangement of marine-engine. 



LARDNER'S MUSEUM OF SCIENCE, i 113 



No. 120. 



