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  2. Mechanical pencil - Wikipedia

    en.wikipedia.org/wiki/Mechanical_pencil

    This auto-rotation mechanism keeps the lead 50% narrower than in the common propelling mechanical pencils, resulting in uniform thickness of the lines written onto the paper. The design was first patented by Schmidt of Germany, and later developed by Mitsubishi Pencil Company of Japan, and named Kuru Toga under the Uni brand. [ 10 ]

  3. Pencil sharpener - Wikipedia

    en.wikipedia.org/wiki/Pencil_sharpener

    A type of mechanical pencil has a rotating gear mechanism which rotates the lead slightly every time the lead is lifted off the paper, helping to maintain a consistent, sharp point. If a finer or broader line is needed, a separate mechanical pencil using a lead with a different diameter is required.

  4. Rotring - Wikipedia

    en.wikipedia.org/wiki/Rotring

    That same year Rotring launched its first drawing board, and the "Tikky" mechanical pencil was released in 1979. The "Art Pen", a fountain pen suitable for calligraphy, was launched in 1984. During the decade, Rotring set new subsidiaries in other European countries, while the "600" mechanical pencil was introduced in 1989.

  5. Autopoint Company - Wikipedia

    en.wikipedia.org/wiki/Autopoint_Company

    Bender failed to do so, abandoning all of the remaining machinery, stock, and parts at the Janesville plant. Autopoint's landlord contacted Jonathan Veley, a mechanical pencil enthusiast whose 2019 book, A Century of Autopoint, established him as the most likely person who might be interested in reviving the company.

  6. Ohto - Wikipedia

    en.wikipedia.org/wiki/Ohto

    To match its own invention, the company also renamed to "Auto". [1] In the 1960s, Ohto also released the first water-based ballpoint pen, thus establishing a new category of pens: rollerball pens. [2] In 1974, the company realised that the word "Auto" was too closely associated with cars, and changed its name again to "Ohto". [1]

  7. Slavoljub Eduard Penkala - Wikipedia

    en.wikipedia.org/wiki/Slavoljub_Eduard_Penkala

    On 24 January 1906 he registered the patent for an automatic pencil. Collaborating with an entrepreneur by the name of Edmund Moster, he started the Penkala-Moster Company and built a pen-and-pencil factory that was one of the biggest in the world at the time. As the business grew, a second factory was set up in Berlin.

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