Screw machines are specialized automated metalworking lathes that were first developed in Switzerland during the late 1800s to produce large numbers of identical parts such as screws. At that time, ...

Close-up of the mechanic unscrewing the wheel from the car to the service station, replacing the rubber on the car. Repair of wheels in an auto repair shop. scientist hand using screwdriver to fix ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Charles Vander Woerd, a ...