5) Safety pen, Caw´s 1898 , Waterman 1905 |
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The wellknown pen with the
retractable nib. The idea to withdraw nib and feed eliminated the uncomfortable unscrewing
of the grip section of the eyedropper. By retracting the nib, it is open like a bottle,
ready to be filled like an eyedropper. The threaded cap closes the reservoir tighly. This
drastically improved the pen, as it was the first perfectly closed pen. |
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The classic safety filler, as it was first
designed by Waterman. |
CAWS Safety Filler, the first safety filler, it
uses the cap as the key to operate the safety mechanism. |
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