Drawing instruments have been essential to mathematics, architecture, surveying, navigation, engineering design, and other technical endeavors from antiquity through the 20th century, although ...

1) A 4" brass semicircular protractor, divided to single degrees and numbered by tens in both directions from 10 to 180. It is marked: Butterfield AParis. 2) A 6-3/4" brass folding combination set ...

If you enjoy sketching, drawing or are in the fields of graphic design, architecture, or art, you already understand the importance of precision and harmony in your creations. The Exlicon L Golden ...

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