It may be that the invention of the aeroplane flying-machine will be deemed to have been of less material value to the world than the discovery of Bessemer and open-hearth steel, or the perfection of the telegraph, or the introduction… — Waldemar Kaempffert Copy Share Image
The aeroplane. . . is not capable of unlimited magnification. It is not likely that it will ever carry more than five or seven… — Waldemar Kaempffert Copy Share Image
It may be that the invention of the aeroplane flying-machine will be deemed to have been of less material value to the world than… — Waldemar Kaempffert Copy Share Image
The launch of Nautilus, the world's first atomic submarine marked a transition in naval warfare-a transition as sudden as that associated with the Monitor. — Waldemar Kaempffert Copy Share Image
In size the electron bears the same relation to an atom that a baseball bears to the earth. Or, as Sir Oliver Lodge puts… — Waldemar Kaempffert Copy Share Image
