L'Épingle de Sûreté Autoverrouillante de Myra Farrell: Sécurité dans un Petit Mécanisme
Myra Farrell's Self-Locking Safety Pin: Security in a Tiny Mechanism
Enfant, Myra Juliet Farrell inventa une épingle de sûreté autoverrouillante dont le fermoir ne pouvait pas s'ouvrir accidentellement, transformant un défaut de conception largement accepté en un problème d'ingénierie résolu.
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Myra Farrell's Self-Locking Safety Pin: Security in a Tiny Mechanism
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women inventors
safety devices
child inventors
clothing hardware
design thinking
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