Safety pin
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A safety pin is a variation of the regular pin which includes a simple spring mechanism and a clasp. The clasp serves two purposes: to form a closed loop thereby properly fastening the pin to whatever it is applied to, and to cover the end of the pin to protect the user from the sharp point.
- Related: Drawing pin, Fibulae and ancient brooches, Paper clip, Tie pin
| More about Walter Hunt and his invention More about Walter Hunt and his invention www.sjmv.org/Campus/Class/scinventors/safetypin/SafetyPin.html - Web |
| thebritishmuseum.ac.uk thebritishmuseum.ac.uk www.thebritishmuseum.ac.uk/compass/ixbin/goto?id=OBJ3400 - Web |
| unc.edu unc.edu www.unc.edu/celtic/catalogue/brooches/essaypage.html - Web |
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| hp.uab.edu hp.uab.edu www.hp.uab.edu/image_archive/uj/ujk.html - Web |
