Because they needed something other than hands, to drill rock and dig coal.
Wilhelm Fein invented the portable electric drill in 1895.
The drill press was invented in the 1920s
Various people invented different hand drills during WW1. - Why- they were more efficient than drilling by hand, once the small electric motor was available.
Jethro Tull is known for having invented the seed drill. The drill positions seeds on the soil and helps to cover them.
Before the electric drill , it was done by hand. There's a hand-cranked drill, probably still used by the Amish. My father owned one.
Wilhelm Fein invented the portable electric drill in 1895.
About 1918.
Electric Dental Drill
Yes, he was an Australian electrical engineer who invented the electric drill.
Electric drills are a refinement of earlier drills turned by hand power, water power or steam. Once the electric motor was developed this technology was applier to drills. The invention of the electric drill in general is attributed to Arthur James Arnot and William Blanch Brain in 1889, at Melbourne, Australia. The portable electric hand drill is general credited to Wilhelm Fein in 1895, at Stuttgart, Germany.
An electric or battery drill that you hold in your hands.
The drill press was invented in the 1920s
Portable and electric are adjectives describing the drill, a device for boring holes.
A drill machine can mean a hand held electric drill, or a bench drill press or a pillar drill.
There are only a few parts and components that separate a cordless electric drill from a corded electric drill. Having a battery instead of a cord is the biggest difference.ÊÊ
No, gloves are not necessary while using an electric drill.
Various people invented different hand drills during WW1. - Why- they were more efficient than drilling by hand, once the small electric motor was available.