Triangle Protractor with 4 Circles 30 60 90 and Degrees advertising Bursma Radio
This Triangle Protractor with 4 Circles 30 60 90 and Degrees advertising Bursma Radio is a must-have for collectors and enthusiasts of drafting tools and engineering equipment. Made by SP, this protractor is a high-quality tool that is superb for measuring angles and drawing straight lines. Its rare design features four adjustable circles that allow for precise and customizable measurements.This item has a rich history that dates back to the 1930s and continues to the present day. It is a rare find for anyone interested in vintage drafting tools and engineering equipment. Whether you're a collector or an engineer, this protractor is a valuable addition to your collection.Note we have several other items for sale and will combine shipping costs if you order more than one at a time.