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Updated: June 5, 2025
At the same time it must be admitted that the screw-propeller as a possibility for marine propulsion was known in a vague way to the engineering practice of the day, and it is at this time of course quite impossible to say how much may have been known by Ericsson, Smith, or others concerned in later developments, or to what extent they may have been dependent for suggestion on what had preceded them.
Aside from his relation to the screw-propeller, perhaps no item of his work in connection with the steam-engine is of more importance than the surface condenser, with its variant forms in the distiller and evaporator. If Ericsson had done nothing else, his claims to recognition and remembrance as an engineer and benefactor might have been well founded on his work in this connection.
Some of Thorkel's men were praising Leif, and one of Eric's churls thought it worth while to boast to them how he had known the Lucky One when he was a child. Certainly the tide is beginning to turn." "Leif Ericsson is an ingenious man," Rolf said, with unusual decision. "I take shame upon me that ever I doubted his wisdom."
The Wrestler regarded him over his shoulder with amused eyes. "Is it your opinion that Leif Ericsson needs your protection against wild beasts?" he inquired. Under the Norman's swarthy complexion, Alwin of England suddenly flushed. When a wish is rooted in one's very heart, it is difficult to get far enough away to see it in its true proportions.
Through this connection, in 1815, John and Nils Ericsson were appointed as cadets in a corps of Mechanical Engineers to be employed in carrying out the Government's plans with reference to the canal.
Further experiments are to be made; meanwhile, the inventor says, 'that the weapon of the earliest inhabitants of Australia has now led to the determination mathematically of the true form by which alone, on the screw principle, high speed on water can be obtained. The Ericsson caloric ship is launched; but if a new projector is to be believed, the maker may save himself all further trouble, for Mr Burn proposes to build square ships, with the bottoms constructed as double inclined planes, which shall cross from England to America in forty-eight hours!
And what chance had any wooden ship against it? But help was near. The Government also had been busy ship-building. A Swede named Ericsson had invented a new vessel which would resist cannon. This ship was just finished, and came into Hampton Roads almost immediately after the battle with the Merrimac.
But the most cunningly devised of all mechanisms, the heart and brain, must sooner or later tire and cease from their labors. The motive energy becomes exhausted, and the mechanism must cease its work. So it was with John Ericsson. In the first hour of the morning of March 8, 1889, Ericsson died.
I found myself so poor at it that I did not even pass on my plan to the staff, which had already considered a few thousand plans. Ericsson conceiving a gun in a revolving turret was not so great a man as Ericsson making the monitor a practicable engine of war. To Lieutenant-Colonel Swinton, of the Engineers, was given the task of transforming blue-print plans into reality.
Then no one knew of the "Monitor;" but twenty-four hours later her name, and that of her inventor Ericsson, were household words in all the States of the Union and the Confederacy. Capt. John Ericsson was a Swedish engineer, residing in this country, who had won a name for himself by inventing the screw-propeller as a means of propulsion for steamships.
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