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www.reference.com/article/invented-mechanical-pencil-c623087f623c5684

The original inventor of the mechanical pencil is up for debate. There are documented references to a lead-holding pencil as early as 1565, and the earliest known version of what is now considered the modern mechanical pencil was found in 1791. There are also many paten...

www.reference.com/article/cool-mechanical-pencils-c00c28678f7cab5a

The Pilot Dr. Grip Center of Gravity, made with a grip so good that it won an award from the Arthritis Foundation, the Lamy 2000, with its brushed fiberglass-and-stainless steel body, the Rotring 800, with its hexagonal body and the Uniball Kuri Toga, with its auto-rota...

www.reference.com/article/mechanical-engineering-7edb0f4b20abf4dd

Mechanical engineering is the branch of engineering that deals with design, construction and use of machines. Mechanical engineering can be used to build small individual parts or giant systems.

www.reference.com/article/become-mechanical-engineer-ebbb90e4ab829ba0

To become a mechanical engineer, a bachelor’s degree in mechanical engineering is required, as stated by the BLS. This degree is required to obtain most entry-level mechanical engineering positions, and a degree from an AEBT-accredited program is preferred.

www.reference.com/article/long-pencil-f81faec707ff2164

A typical No. 2 pencil is 7.5 inches long with a 6.75-inch wooden shaft. Most No. 2 pencils are made from cedar with a hexagonal shaft. The lead is a mixture of graphite, clay and wax.

www.reference.com/article/mechanical-engineer-colleges-789434b7fae8fb38

As of 2015, the Massachusetts Institute of Technology, California Institute of Technology and Stanford University rank among the best institutions offering mechanical engineering programs. Other top schools include the University of Illinois, University of Michigan, Geo...

www.reference.com/article/mechanic-engine-removal-978f9e2d5aa2259b

Find a mechanic capable of engine removal by browsing business directories, social media profiles and online classifieds. To get the best price, call ahead to ask for an estimate before choosing an auto repair shop.