Paper bag
device · 1871 · Electric age
A flat-bottomed bag (Margaret Knight).
Inventor: Margaret E. Knight.
What it is made of
- Square paper bag bottom — has part. Margaret Knight’s rectangular bottom.
- Paper bag side gussets — has part. They let the bag fold flat.
- Handles — has part. Handles.
Principles and materials it uses
- Paper — is made of. Paper.
History: what it evolved from and what it influenced
- Plastic bag — evolved into. A replacement for paper.