Custom
High Precision Graduated Rings, Dials and Segments

Our Whittam dials or circular scales are accurate to within 18 arc seconds or .00045" on a 10" diameter. We offer circular divided scales and index rings of up to 137 cm (4’6") in diameter.

Made exactly
to your specifications!

 
High quality
at competitive prices.

Please send us a drawing or a sketch
with measurements, and we will produce them to your design