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

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

Most of us are familiar with the modern trombone, the brass instrument with an extendible slide that has become a fixture in jazz ensembles and symphony orchestras. We're less familiar with the ...