O Alfinete de Segurança Autotravante de Myra Farrell: Segurança em um Pequeno Mecanismo
Myra Farrell's Self-Locking Safety Pin: Security in a Tiny Mechanism
Quando criança, Myra Juliet Farrell inventou um alfinete de segurança com trava automática cujo fecho não podia se abrir acidentalmente, transformando uma falha de design amplamente aceita em um problema de engenharia resolvido.
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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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