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EXERCISE 8

EVOLUTION OF THE PENCIL
SHARPENER

Razor Knife Blade Manual Sharpener
Early 1800s: At first, pencils were sharpened 1828: French mathematician Bernard Lassi-
with a sharp razor knife blade. this was not monne invented and later received a patent for
only redundant due to the blade being flat, but the first manual pencil sharpener. Though the de-
was deemed dangerous for schoolchildren. sign was more convenient with multiple blades in
a wooden block, Thierry des Estivaux improved
the design with a single blade.

Rotary Sharpener Electric Sharperner
1896: The rotary pencil sharpener was invented
after various input from users who wanted their Early and Late 1910s: First electric pencil sharp-
ener was invented by Samuel Forrester. A comm-
pencils held in place and the turning of the pen- ericialized item was manufactured by Farnham
cil, and sharperner to be steady. The sharpener Printing & Stationery Co. seven years later.
was invented by A.B. Dick, who later received
a patent.
This first poster is of the four types of pencil sharpeners, and how they have
changed over time. This graph is meant to be read in a Z formation, from left to
right on the top, then left to right on the bottom. I chose the yellow gradient to
represent the color of a pencil, and the subject of discussion relates to how pencil
sharpeners are used on a daily basis.
ROYAL TRIBUNE | 19
ROYAL TRIBUNE | 21