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Inventions

Fountain Pen:
Lewis Waterman patented the first practical fountain pen in 1884. Writing instruments designed to carry their own supply of ink had existed in principle for over one hundred years before Waterman's patent. For example, the oldest known fountain pen that has survived today was designed by a Frenchmen named M. Bion and dated 1702.
          फाउंटेन पेन :
लुईस वाटरमैन ने 1884 में पहला व्यावहारिक फाउंटेन पेन का पेटेंट कराया। स्याही की अपनी आपूर्ति को ले जाने के लिए डिज़ाइन किए गए लेखन उपकरण में वॉटरमैन के पेटेंट से पहले एक सौ से अधिक वर्षों के लिए सिद्धांत रूप में मौजूद था।  उदाहरण के लिए, सबसे पुराना ज्ञात फाउंटेन पेन जो आज बच गया है, जिसे एम। बायोन नामक एक फ्रांसीसी ने डिजाइन किया था और 1702 दिनांकित किया था।

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