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pencil with eraser

pencil with eraser,

It is one of the most common pencils now available.

However, until the late 19th century, pencils with erasers were hardly found.

It is said that the pencil and eraser were separate products.

When did you start using the eraser pencil?

Source: pabook2.libraries.psu.edu/palitmap/Pencil.html

pencil with eraser

It was first devised and patented by Hyman Lipman in 1858.

Lipman's idea was to dig a groove in the tip of a pencil.

A rubber eraser was firmly attached with glue.

Like a pencil, an eraser should be sharpened.

Lipman's eraser pencil

Unlike the eraser pencils we know

very different look.

However, the idea was later ruled invalid.

The combination of a pencil and an eraser did not create another special function.

The pencil and the eraser each only do their own thing,

The reason was that it was not a patentable combination.

A ferrule (a metal object with an eraser attached) that comes to mind when you think of an eraser pencil is

Appears in the early 1900's.

However, even in the 20th century, in Europe

It is said that pencils without an eraser were still common.

If it is the highest quality pencil in Europe

When finishing, dip the tip in the paint and take it out.

Because it was made in a round shape.

On the contrary

In the US, a ferrule is used on the tip of a pencil.

It is said that it was finished by attaching an eraser.

In addition to the United States, they made pencils with ferrules, but

You can often see it in American pencils.

In addition, the shape of the ferrule and eraser is also very diverse.