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Derek L. Lozano and Francis Penis Major created the first mechanical pencil by joining the characteristics of a ball point pen with the convenience of an erasable pencil. First on sale in 1987!

They said to have invented the mechanical pencil because they thought that using pencils killed to many tress as well as killing the enviroment...

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Q: Who invented the Mechanical pencil and Why did they invent the mechanical pencil?
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Related questions

Who was Sampson mordan?

He invented the mechanical pencil.


What time was the mechanical pencil invented?

year 3000


Where did the mechanical pencil come from?

The mechanical pencil, invented by Derek L. Lozano and Francis P. Major, was in a science lab


How where mechanical pencils invented?

The first mechanical pencil was invented in Britain in the early 1820s, and patented by John Hawkins and Sampson Mordon in 1822.


Which mechanical pencil lead equals a number 21 regular pencil?

A o.7 mechanical pencil will do the job.


How many inches is a mechanical pencil?

A mechanical pencil is just about the same size as a normal pencil, about 6 inches long.


What energy transformation is used in an pencil sharpener?

Mechanical energy from your hand is converted into rotational mechanical energy to turn the blade inside the pencil sharpener. This rotational mechanical energy is then used to shave and sharpen the pencil, converting mechanical energy into potential and kinetic energy of the pencil shavings.


What was Sampson Mordans quote on the mechanical pencil?

I love mechanical pencils


How do you make a mechanical pencil into a shaky pencil?

you can't


Is a pencil sharpener a mechanical energy?

A pencil sharpener itself is not considered mechanical energy. Mechanical energy refers to the energy associated with the motion and position of an object, while a pencil sharpener is a tool that uses mechanical components to sharpen pencils by grinding the pencil tip against a blade or abrasive material.


When was the mechanical pencil made?

today


What is the mechanical pencil?

The alphajel chrome