Myra Farrells Selbstsichernde Sicherheitsnadel: Sicherheit in einem Kleinen Mechanismus
Myra Farrell's Self-Locking Safety Pin: Security in a Tiny Mechanism
Als Kind erfand Myra Juliet Farrell eine selbstsichernde Sicherheitsnadel, deren Verschluss nicht versehentlich aufgehen konnte, und verwandelte so einen allgemein akzeptierten Designfehler in ein gelöstes Ingenieusproblem.
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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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