U. S. PATENT 07:1.S16. U. S. PATENT 962.173. Septemher, ipio AIRCRAFTSOME CONSTRUCTION DETAILS 357 … Fig. the method of jo Frisbit bipla the i-spar at Mil of the:a. It consists of a tubular socket with a pjgbolt brased to it as shown. -Shows a joint used on the Wilcox bi-plane. The upright is joined to thespar by a meta. strap, which is held .in place by a steel tube. ^^=- -Shows another method of…
Aeronautics
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