Robertson, Phillips, and the History of the Screwdriver
发布时间 2019-11-18 13:15:34 来源
摘要
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Most everyone owns at least one screwdriver. But Canadians likely own a screwdriver that few outside Canada would recognize. The differing fates of the Robertson and the Phillips head screwdrivers demonstrates that innovation is intimately tied to historical events. The History Guy remembers the forgotten history of the screwdriver.
This is original content based on research by The History Guy. Images in the Public Domain are carefully selected and provide illustration. As images of actual events are sometimes not available, images of similar objects and events are used for illustration.
All events are portrayed in historical context and for educational purposes. No images or content are primarily intended to shock and disgust. Those who do not learn from history are doomed to repeat it. Non censuram.
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Script by THG
#history #thehistoryguy #screwdrivers
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