The earliest extant example of a mechanical pencil was found aboard the ... The
first patent for a refillable pencil with lead-propelling ...
Nov 18, 2014 ... Did you know the mechanical pencil has actually existed in one form or another
for the better part of five centuries? Learn more.
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
Mechanical pencils have more elaborate casings that support mobile pieces of
pigment core, which can be extended or retracted through the casing tip as ...
The mechanical pencil is well known today throughout the world, largely thanks
to Sharp's founder Tokuji Hayakawa. By developing an original lead-thrusting ...
A Brief History of the Mechanical Pencil. The very first pencils were in some ways
closer to mechanical pencils than to what we think of now as 'ordinary' ...
The concept of the pencil really hasn't changed since the first time early humans
dragged the charred end of a stick across a cave wall and found that bits of ...
History of the Lead Pencil. Lead pencils, of course, contain .... Round lead was
used in mechanical pencils by the early 19<sup>th</sup> century. The illustration to the right ...
Autopoint began manufacturing mechanical pencils in Chicago in 1918.
Inventors assigned at least 30 patents to Autopoint between 1918 and 1929. One
of the ...
The History of the Mechanical Pencil. While mechanical pencils can often be
taken for granted, their invention and development spans decades. Also known