true in Newton's time, how much truer is it now. Most of the inventions which are so greatly influencing, as well as advancing, the civilization of the world at the present time, have been discovered within the last hundred or hundred and fifty years. We do not say that man has become so much wiser during that period; for, though he has grown in Knowledge, the most fruitful of all things were said by "the heirs of all the ages" thousands of years ago.
But as regards Physical Science, the progress made during the last hundred years has been very great. Its most recent triumphs have been in connection with the discovery of electric power and electric light. Perhaps the most important invention, however, was that of the working steam engine, made by Watt only about a hundred years ago. The most recent application of this form of energy has been in the propulsion of ships, which has already produced so great an effect upon commerce, navigation, and the spread of population over the world.
Equally important has been the influence of the Railway--now the principal means of communication in all civilized countries. This invention has started into full life within our own time. The locomotive engine had for some years been employed in the haulage of coals; but it was not until the opening of the Liverpool and Manchester Railway in 1830, that the importance of the invention came to be acknowledged. The locomotive railway has since been everywhere adopted throughout Europe. In America, Canada, and the Colonies, it has opened up the boundless resources of the soil, bringing the country nearer to the towns, and the towns to the country. It has enhanced the celerity of time, and imparted a new series of conditions to every rank of life.
The importance of steam navigation has been still more recently ascertained. When it was first proposed, Sir Joseph Banks, President of the Royal Society, said: "It is a pretty plan, but there is just one point overlooked: that the steam-engine requires a firm basis on which to work." Symington, the practical mechanic, put this theory to the test by his successful experiments, first on Dalswinton Lake, and then on the Forth and Clyde Canal. Fulton and Bell afterwards showed the power of steamboats in navigating the rivers of America and Britain.
After various experiments, it was proposed to unite England and America by steam. Dr. Lardner, however, delivered a lecture before the Royal Institution in 1838, "proving" that steamers could never cross the Atlantic, because they could not carry sufficient coal to raise steam enough during the voyage. But this theory was also tested by experience in the same year, when the Sirius, of London, left Cork for New York, and made the passage in nineteen days. Four days after the departure of the Sirius, the Great Western left Bristol for New York, and made the passage in thirteen days five hours.[1] The problem was solved; and great ocean steamers have ever since passed in continuous streams between the shores of England and America.
In an age of progress, one invention merely paves the way for another. The first steamers were impelled by means of paddle wheels; but these are now almost entirely superseded by the screw. And this, too, is an invention almost of yesterday. It was only in 1840 that the Archimedes was fitted as a screw yacht.
A few years later, in 1845, the Great Britain, propelled by the screw, left Liverpool for New York, and made the voyage in fourteen days. The screw is now invariably adopted in all long ocean voyages.
It is curious to look back, and observe the small beginnings of maritime navigation. As regards this country, though its institutions are old, modern England is still young. As respects its mechanical and scientific achievements, it is the youngest of all countries. Watt's steam engine was the beginning of our manufacturing supremacy; and since its adoption, inventions and discoveries in Art and Science, within the last hundred years, have succeeded each other with extraordinary rapidity. In 1814 there was only one steam vessel in Scotland; while England possessed none at all. Now, the British mercantile steam-ships number about 5000, with about 4 millions of aggregate tonnage.[2]
In olden times this country possessed the materials for great things, as well as the men fitted to develope them into great results. But the nation was slow to awake and take advantage of its opportunities. There was no enterprise, no commerce--no "go" in the people. The roads were frightfully bad; and there was little communication between one part of the country and another.
If anything important had to be done, we used to send for foreigners to come and teach us how to do it. We sent for them to drain our fens, to build
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