Parallel Rule Description
This is a vintage scala parallel rule, a drafting tool used in technical drawing and architecture. The rule features a sliding mechanism allowing for the easy drawing of parallel lines without the need for a separate straight edge. The scale markings are clearly visible, indicating its use for precise measurements and scaling in drawings.
Condition and Collectibility
This parallel rule shows signs consistent with age and use. The metal components exhibit some patina and wear, which is typical for vintage drafting tools. It would be of interest to collectors of antique drafting equipment, architectural enthusiasts, or those seeking unique decorative items with a technical aesthetic.










