Manufactured from solid brass castings with all non-magnetic
components.
The circle is divided to 360 degrees in half-degree
increments.
The Vernier will read to 1 minute of Arc, with a
micro-adjuster.
Comes complete with extension arms and a fully fitted
wooden case.
Sizes available:
6" Circle, 15" Arms (extending to 27")
8" Circle, 21" Arms (extending to 39")
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