Capsule
device · 1834 · Industrial Revolution
A gelatin capsule (Mothes).
What it is made of
- Gelatin capsule shell — has part. It dissolves in the stomach.
- Medicinal powder — has part. A powder or liquid inside.
Principles and materials it uses
- Chemical reaction — uses. The shell dissolves in the stomach.
Where it is used
- Pneumatic tube — is part of. A container for letters.
Things built in a similar way
- Tablet (medicine) — works like. Dosage forms.