...navigation, machines may be constructed such that the largest vessels, directed by a single man, shall traverse rivers and seas more rapidly than if they were filled with oarsmen ; also, carriages may be made, which without horses, shall move with inconceivable swiftness. It is...

...governed by a single man unto which the largest of our vessels are mere cockleshells and which can traverse rivers and seas more rapidly than if they were filled with oarsmen. We may also make carriages which, without the aid of animals, will run with immeasurable rapidity."...

...that one of the great applications of such a force would be for transportation. Accordingly, he said : "Art can construct instruments of navi.gation such...which, without the aid of any animal, will run with im•measurable swiftness." When we recall that the very latest things in transportation are motor-boats...

...with explosives, that : ''Art will construct instruments of navigation such that the largest vessel governed by a single man will traverse rivers and seas more rapidly that if they were filled with oarsmen. One may also make carriages which without the aid of any animal...

...gunpowder, glimpsed the internal combustion engine, and the means of fulfilling the Homeric desire. He wrote "Art can construct instruments of navigation such...more rapidly than if they were filled with oarsmen." A steamboat had probably been suggested by 1651, and built by 1738, and we have patents with descriptions...