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Screwdriver - Wikipedia

en.wikipedia.org/wiki/Screwdriver

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

inventors.about.com/od/sstartinventions/a/screwdriver.htm

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 ...

www.encyclopedia.com/sports-and-everyday-life/food-and-drink/food-and-cooking/screwdriver

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-working-man.com/screwdriver-history.html

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

vinepair.com/wine-blog/the-history-of-the-screwdriver/

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

www.businessinsider.com/the-origin-story-of-the-screwdriver-cocktail-2015-3

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

www.thomasnet.com/articles/hardware/robertson-screwdriver-history

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

Phillips Head Screwdriver - Infoplease

www.infoplease.com/askeds/phillips-head-screwdriver.html

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

info.craftechind.com/blog/bid/301958/8-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 ...