In the 1940s, a technician could work on most vehicles with a set of tools that could fit in a small tool chest. Sockets and ratchets were cutting-edge innovations, and technicians used combination wrenches on most repairs. There were special tools for brake service designed for servicing brand-specific drum brake mechanisms. Other tools were specific to servicing bearings, belts and batteries. So, the next time you are at a garage sale or find an old toolbox, this guide from 1941 just might help you identify these old tools from days gone by.