archatlas: Life Before AutoCADBefore the advent of AutoCAD and other drafting softwares, the enginee
archatlas: Life Before AutoCADBefore the advent of AutoCAD and other drafting softwares, the engineering drawings were made on sheet of papers using drawing boards. Many equipments were required to complete a given drawing such as drawing board, different grade pencils, Erasers T-squares, Set square etc. -- source link