It is to the director of workshops and factories that it is suitable to make, by means of geometry and applied mechanics, a special study of all the … - Charles Dupin

For 12 years I have had the honor of teaching geometry and mechanics applied to the arts, in favor of the industrial class... on the most important questions to the well-being, education, and morality of the workers, to the progress of national industry, to the development of all means of prosperity that work can produce for the splendor and happiness of our country.

In the following work, I have endeavoured to exhibit the full extent of the Military and Naval Forces which the government of Great Britain can bring into the field, or launch upon the ocean. I have likewise described the connection of these forces with the government of the country, and also the discipline usually exercised in order to produce a hardihood in battle, invulnerable to fear and unassailable by cowardice. My observations on these subjects were derived from a residence of five years in England; during which time I was constantly employed in visiting and viewing every object and institution worthy of notice relative to the British Army and Navy.

If ever, in the British Islands, the useful citizen should lose these virtues, we may be sure, that for England as well as for any other country, notwithstanding the protection of the most formidable navy, notwithstanding the foresight and activity of diplomacy the most extended, and of political science the most profound, the vessels of a degenerate commerce, repulsed from every shore would speedily disappear from those seas whose surface they now cover with the treasures of the universe, bartered for the treasures of the industry of the three kingdoms.