Wrench sketch🔧 Prints and originals are on my website and etsy! Tutorials and downloadable sketches on patreon! . Early versions of the wrench appeared in Europe as “spanners,” but the tool became far more important during the Industrial Revolution as machinery spread. In 1835, Solymon Merrick patented an early adjustable wrench, later improved by Loring Coes in 1842. In 1869, Daniel C. Stillson invented the modern pipe wrench. . . #tool #tools #illustration #productdesign #industrialdesign