Pomilio, Ottorino · New York, McGraw-Hill · leaf 257
ther (Fig. 151). It is necessary that the num-ber of plies be odd and that the external phes or faceshave the same thickness and be of the same quality of wood,so that they may all be influenced in the same way byhumidity, that is, giving perfect symmetrical deformations,thus avoiding the… … have the greatest possible homogeneity in both directions,it is advisable to increase the number of plies to the ut-most, decreasing their thickness; this also makes the joiningmore easy by means of screws or nails, because the veneeroffers a much better hold. Considerations analogous to those…
Airplanes
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