Machines Heavier Quotes

1 Machines Heavier quotes by 1 unique authors

• Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible. — Simon Newcomb

Who Wrote These Machines Heavier Quotes

1 author contributed a total of 1 Machines Heavier Quote as follows:

• 1 Machines Heavier Quote by Simon Newcomb