Oral Presentation - Pen

Oral Presentation Pen

Teacher Cristina ChabertSara Loureiro Nº29 10ºA

Have you ever wondered about the story behind something as simple as a pen?

Primitive writing instruments

Reeds

Feathers

Wall of a cave

Bamboo

Evolution of pens

Ballpoint pen (1938 - László Bíró)

Fountain pen (1809 - Frederick Fölsch)

Evolution of pens

Gel pen (1982)

Rollerball pen (1960s/1970s)

Types of pens

Ballpoint pen

Rollerball pen

Fountain pen

Markers and Highlighters

Summarizing...