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 (54") in diameter.

exactly to your specifications!



High quality at competitive prices.


                  High Precision Graduated Rings & Dials

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

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