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
May 22, 2014 ... The history of man has generally followed a long and illustrious timeline of
discovery. From the first time a spark was created to walking on the ...
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 ...
Nov 1, 2012 ... The screwdriver was invented in Germany in the late fifteenth century. Originally
called a 'screwturner,' the first documentation of the tool is in ...
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 ...
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