Fig. 4 - Broken rods, tested on VI,-.. 5 - Fatigue break of a 1 \" AxLaler Machine connecting red bolt from a gas- oline online. The dark upper left hand part shows how far the fatigue crack went before the bolt broke. … Fig. S - Cpyker bolt like Fig. 7 (aagnif ied) sawed through in "order to shew abrupt transitim' from tody to head better. Fig. 7 - Stay wire fastening bolt \" (froa a Spyker airplane) which broke from fatigue affsr 100 hours'of flight. Fati<?ie crack indicated by dark portion of break.
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