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Screwdriver - Wikipedia


A screwdriver is a tool, manual or powered, for turning (driving or removing) screws. A typical ... screwdrivers were used in Europe in the late Middle Ages. They were probably invented in the late ...

History of Screws and Screwdrivers - Inventors - About.com


In 1908, square-drive screws were invented by Canadian P. L. Robertson. ... than a slot head because the screwdriver will not slip out of the screw's head during ...

Screwdriver facts, information, pictures | Encyclopedia.com articles ...


The second most widely used screwdriver, the "Phillips," was invented in the late 1920s by Henry Phillips. Soon after its introduction, the tool posed a dilemma ...

Find Out about the History of Screwdrivers - Working Man


The first mention of a screwdriver or something resembling a screwdriver in history is assumed ... Some people believe that the screwdriver was invented from a

The History Of The Screwdriver | VinePair


Apr 26, 2016 ... The Screwdriver might be a sneaky, and extremely simple, mixed drink. ... Not to imply the drink was invented in the States, but by the late ...

Here's the origin of the screwdriver cocktail - Business Insider


Mar 24, 2015 ... One out of three cocktails ordered in the US contain vodka, a spirit that pours in $20 billion annually in sales, according to Victorino Matus, ...

History of the Robertson Screwdriver - ThomasNet


The history of the Roberston screwdriver, invented by P.L. Robertson, is detailed here.

Phillips Head Screwdriver - Infoplease


Who is the Phillips head screwdriver named after? ... Henry F. Phillips, of Portland, OR, invented the X-shaped socket head screw for car makers who needed a ...

8 Little Known Facts about the History of the Screw


Jun 12, 2013 ... He discovers that all of these tools were invented during the Roman age if ... To remove a screw without a screwdriver, one actually has to cut ...