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

a human cultural treasure in Korea (Masters of Traditional Korean Handicrafts book, pg. 153). He creates many traditional instruments out of silk and has dedicated most of his life to his craft. He ...

Instruments like these were used by skilled draughtsmen (and women) in many drawing offices to produce engineering drawings for structures, such as bridges and building frames, at a time when ...

Thomas P. How, of Randolph, ?. Y., has made an improvement in the wheel pen for dotting lines in mathematical drawing, which it is thought will much increase its value. These pens have heretofore ...

A few other cases and sets of drawing instruments are found in the Armed Forces History, Physical Sciences, Political Life, and Work and Industry collections at the National Museum of American History ...