File:Monkey wrench derivative from Rogers 1903 p172.png - Wikipedia

File:Monkey Wrench (PSF).png - Wikimedia Commons

PDF) The Homebrew Industrial Revolution: A Low-Overhead Manifesto

Wikipedia:Getting to Philosophy - Wikipedia

Monkey-wrench

PDF) ALLS, Vol 5, No 2 (2014) Charles Marfo, Advances in Language and Literary Studies [ALLS], Hooshang Khoshsima, Esther Hooi, Sajid Chaudhry PhD., Philo Abaka, and Moussa Pourya

Proto Stanley J710 Satin Adj Wrench, 10

PDF) The Homebrew Industrial Revolution: A Low-Overhead Manifesto

US Patent: 2,054 - Loring Coes Screw Wrench

Monkey Wrench Wiki