Pantograph Demonstration - Machining a Watch Dial Chapter Ring

How do watch movements not rust or scratch with the constant movement? I've never really understood how they stay lubricated for so long regardless of low or high quality, and how the

PEAR EC32 machining center

Pantograph Inlay Basics

Full article: Detecting early damages in the railway pantograph mechanism: a multiple excitation approach for the frequency domain

Constructive scheme of the pantograph mechanism in the horizontal plane.

Gorton P1-2 Pantograph

Deckel GK21 setup for dagger handles

engraving richard kell sundial parts

in action Abhay Krishna Shetty. pantograph machine at their own workshop

How do watch movements not rust or scratch with the constant movement? I've never really understood how they stay lubricated for so long regardless of low or high quality, and how the