Is it not demonstrated that a true flying machine, self-raising, self-sustaining, self-propelling, is physically impossible?
Is it not demonstrated that a true flying machine, self-raising, self-sustaining, self-propelling, is physically impossible? - Joseph Leconte
- Joseph Leconte
The essential thing is not knowledge, but character. - Joseph Leconte
The essential thing is not knowledge, but character.
It is true that the trees are for human use. But these are aesthetic uses as well as commercial uses-uses for the spiritual wealth of all, as well as… - Joseph Leconte
It is true that the trees are for human use. But these are aesthetic uses as well as commercial uses-uses for the spiritual wealth of all, as well as…
There is nothing which Nature so clearly reveals, and upon which science so strongly insists, as the universal reign of law, absolute, universal, inv… - Joseph Leconte
There is nothing which Nature so clearly reveals, and upon which science so strongly insists, as the universal reign of law, absolute, universal, inv…
One: There is a low limit of weight [of about] 50 pounds beyond which it is impossible for an animal to fly. Two: The animal machine is far more effe… - Joseph Leconte
One: There is a low limit of weight [of about] 50 pounds beyond which it is impossible for an animal to fly. Two: The animal machine is far more effe…
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