Device for displaying CAD-drawings

Device for drawing ellipses

Device for drawing ellipses

Device for drawing elliptical curves

Device for drawing objects in perspective

Device for forming reference axes on an image sensor array packa

Device for guiding a tool along a curve

Device for measuring the distance between the tool tip and the s

Device in machines for the marking of workpieces

Diffraction grating ruling engine

Drafting board with adjustable straight-edge assembly

Drafting device for producing concentric lines

Drafting device for producing concentric lines

Drafting device for use with computers

Drafting instrument

Drafting instrument

Drafting instrument

Drafting instrument

Drafting instrument

Drafting instrument