Quadrant and Tools

Painting

Quadrant Graduation Tools–Painting & Tools

The subject of this portrait, Nicholas Kratzer, was a German astronomer, mathematician and horologist who became astronomer to King Henry VIII. He is portrayed with a variety of tools and instruments in progress. Note the large compass divider and screw-adjustable trammel points on the wall, and compare them to the tools illustraed below.

Nicholas Kratzer

Hans Holbein the Younger, 1528

The Louvre

via Wikimedia Commons

photo of basic tools for layout: straight-edge, scribe, large hand-forged compass dividers.

Set of basic hand tools for layout

From the top: straight-edge, scribe, large hand-forged compass dividers.

photo of tools for layout: machinists rule, automatic punch, hammer, small dividers, magnifier, punch. trammel points on wood bar, felt pen.

Set of hand tools for layout and graduation

From the top: machinists rule, automatic punch, hammer, small dividers, magnifier, punch. trammel points on wood bar, felt pen.