Electric drill
Taladro eléctrico
- Date
- 1889 · confidence high
- Place
- Melbourne, Victoria, Australia
- Credited to
- Arthur James Arnot and William Blanch Brain
- Field
- Tools
What it is
A drill driven by an electric motor, patented in Melbourne in 1889 for drilling rock in mining. It was the basis of later portable power tools.
It was heavy equipment for mines. The pistol-grip handheld drill appeared later (1916).
What it led to
- Black & Decker pistol-grip portable drills from 1916
- handheld power tools in construction
- mechanical drilling in mining