A screwdriver is a tool, manual or powered, for turning (driving or removing)
screws. A typical simple screwdriver has a handle and a shaft, and a tip that the
user inserts into the screw head to tu...
Around the first century, screw shaped tools became common, however,
historians do not know who invented the first. Early screws were made from wood
The first mention of a screwdriver or something resembling a screwdriver in
history is assumed ... Some people believe that the screwdriver was invented
Feb 22, 2010 ... 32 years ago the Phillips screwdriver was patented by Henry F. Phillips who was
a Portland, Oregon, businessman. from Wired Phillips wasn't ...
The history of the Roberston screwdriver, invented by P.L. Robertson, is detailed
By the first century b.c., large wooden screws were used in presses for ... The
second most widely used screwdriver, the "Phillips," was invented in the late
Apr 5, 2013 ... The screw was invented in the early 30's by Henry F. Phillips, a Portland, ... The
Phillips screw first gained acceptance with Cadillac in the late 30's. ... Gradually
the Phillips screw and screwdriver worked their way into other ...
A Natural History of the Screwdriver and the Screw ... He mentions that
eyeglasses were invented twenty years earlier, and that he has even spoken with
One Good Turn is a story starring Archimedes, who invented the water screw and
.... The first place where much shows up on the screwdriver in older texts is ...
Jan 21, 2011 ... Early screwdrivers had pear-shaped handles and were made for slotted ...
around the beginning of the First Industrial Revolution that the screw ...