INK-WRITING INSTRUMENTS

Definition:

Writing instruments where the writing fluid is transported via a feeder system to the tip and subswquently deposited onto the paper. 

Liquid writing media:

- highly viscous pastes

- inks of lower viscosity and

- gels

Feeding system:

- absorptive reservoir

- storage receptacle

Pencil tips:

- metal ball

- fibre tip

- metal-clad plastic tip