Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 244
hs of the art of flyingan aeroplane has been achieved. Not only this, buta new sport has been laid under contribution; onebeside which coasting upon a snow-clad hillside is acrude form of enjoyment. Fortunately for the multitude, a glider is easilymade, and its cost is even less than that of a… … ?^ 244 THE GLIDER. recommended, as it is stronger and tougher for itsweight than other woods. It should be of straightgrain and free from knots; and as there is consider-able difference in the weight of spruce from differenttrees, it is well to go over the pile in the lumber yardand pick out the…
Aeronautics
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