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2. Ruling pen - Wikipedia

   en.wikipedia.org/wiki/Ruling_pen

   A ruling pen is a drawing instrument for drawing with ink or with other drawing fluids. Originally used for technical drawings in engineering and cartography together with straight rulers and French curves , it is today used for specific uses, such as picture framing or calligraphy .

3. Technical pen - Wikipedia

   en.wikipedia.org/wiki/Technical_pen

   Staedtler technical pens Staedtler technical pen divided in parts in comparison with 1 cent euro coin Macro image of a 0.7 mm Rotring Rapidograph nib showing the flow control wire. A technical pen is a specialized instrument used by an engineer, architect, or drafter to make lines of constant width for architectural, engineering, or technical ...

4. Technical drawing tool - Wikipedia

   en.wikipedia.org/wiki/Technical_drawing_tool

   The pen has an ink container which contains a metal tube, inside which is a thin metal needle or wire, the soul. Ink is absorbed between the needle and the tube wall, preventing an excessive amount of ink from being released. The needle has a weight and by waving the pen back and forth the needle is released and the ink can run.

5. List of pen types, brands and companies - Wikipedia

   en.wikipedia.org/wiki/List_of_pen_types,_brands...

   A pen is a handheld device used to apply ink to a surface, usually paper, for writing or drawing. [1] Additional types of specialized pens are used in specific types of applications and environments such as in artwork, electronics, digital scanning and spaceflight, and computing.

6. Custody transfer - Wikipedia

   en.wikipedia.org/wiki/Custody_transfer

   Custody transfer requires an entire metering system that is designed and engineered for the application, not just flowmeters. Components of a custody transfer system typically include: Multiple meters/meter runs; Flow computers; Quality systems (gas chromatographs to measure energy content of natural gas and sampling systems for liquid);

7. AOL Mail

   mail.aol.com/?icid=aol.com-nav

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Graco Inc. - Wikipedia

   en.wikipedia.org/wiki/Graco_Inc.

   Fluid Transfer Systems: Graco manufactures pumps, hoses, reels, and other equipment used for transferring fluids like paints, oils, chemicals, and lubricants. Spray Equipment: Graco is well known for its spray painting and coating equipment. This includes airless paint sprayers, texture sprayers, line striping equipment, and more.

9. Paper-ruling machine - Wikipedia

   en.wikipedia.org/wiki/Paper-ruling_machine

   Hickok paper-ruling machine. Hickok ruling pens in The American Bookbinders Museum. A paper-ruling machine is a device for ruling paper. In 1770, John Tetlow was awarded a patent for a "machine for ruling paper for music and other purposes." [1] William Orville Hickok invented an "improved ruling machine" in the mid-19th century. [2]