PSM V21 D092 Development of the sword among savagesSimilarEvolution of the Airfoil, NASA history collectionNACA-A Look Back, NASA history collectionEvolution of the Airfoil, NASA history collectionMoreRelatedPSM V21 D089 Medieval swords and rapiersPSM V76 D224 Clothes moth and its stages of developmentPSM V21 D619 Caddis worm with its casePSM V01 D223 Flint hatchetsPSM V22 D382 Cyclical reversion of evolutionary changePSM V43 D198 Tents of the yurukMorePSM V21 D092 Development of the sword among savagesfile_downloadDownloadcrop_originalOrder Printrate_reviewdescriptionSummaryDevelopment of the sword among savageslabel_outlineTagsmacuahuitlpopular science monthly illustrations volume 21sciencescientific illustrationspopular sciencescience historydate_rangeDate1882createSourceWikimedia CommonslinkLinkhttp://commons.wikimedia.org/copyrightCopyright infopublic domain