The aeroplane. . . is not capable of unlimited magnification. It is not likely that it will ever carry more than five… — Waldemar Kaempffert Aeroplanes 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… — Waldemar Kaempffert Accomplished 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… — Waldemar Kaempffert Firsts 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… — Waldemar Kaempffert Atoms Copy Share Image