en.wikipedia.org/wiki/Mechanical_pencil

A mechanical pencil (US English) or propelling pencil (UK English), also clutch pencil, is a pencil with a replaceable and mechanically extendable solid pigment  ...

omernecaticora.files.wordpress.com/2018/05/technical_description_mechanical_pencil.pdf

Technical Description of the Mechanical Pencil. 1. 1. GENERAL DESCRIPTION. The Mechanical Pencil is a mechanical writing instrument that uses erasable ...

www.cultpens.com/pencyclopedia/guide-to-mechanical-pencils

Our guide to mechanical pencils - features they have, and how to choose the ... The first description of a leadholder was by Conrad Gessner, back in 1565.

blog.milligram.com/use-mechanical-pencil

Mar 29, 2018 ... If you've purchased the mechanical pencil from Milligram, the refill size is stated in the Specifications tab on all product descriptions.

www.merriam-webster.com/dictionary/mechanical%20pencil

Mechanical pencil definition is - a pencil made of metal or plastic with a lead that is moved forward by a mechanical device.

www.scribd.com/doc/84035584/The-Mechanical-Pencil

GENERAL DESCRIPTION The Mechanical Pencil is a mechanical writing instrument that uses erasable lead rods to draw or write text, designs, and symbols on ...

www.osha.gov/pls/imis/sic_manual.display?id=881&tab=description

Establishments primarily engaged in manufacturing pens (including ballpoint pens), refill cartridges, mechanical pencils, fine and broad tipped markers, and ...

www.quora.com/How-does-a-mechanical-pencil-work

There are two parts for the mechanism to make it work. The first part is the front tip which is a short tube that is slightly tight to the lead. This part holds the lead so ...

www.jetpens.com/blog/the-beginners-guide-to-mechanical-pencils/pt/957

Mar 20, 2018 ... Did you know that mechanical pencils actually predate wooden pencils? Before people figured out how to make wood-cased pencils, refillable ...