Boys Book of Model Aeroplanes How to Build and Fly, Them

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. It was now found that a very little tilt ing of the planes upward or downward would serve to right the machine when it leaned over The secret, like so many others, was gained by watching the flights of birds. You hav...