Bow drill
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A bow drill is a simple hand-operated type of tool, consisting of a rod that is set in rapid rotary motion by means of a cord wrapped around it, kept taut by a bow which is pushed back and forth with one hand. Wikipedia
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The meaning of BOW DRILL is a drill worked by a bow and string to bore holes or make fire.
A bow drill is a simple hand-operated type of tool, consisting of a rod (the spindle or drill shaft) that is set in rapid rotary motion by means of a cord ...
brace and bit, hand-operated tool for boring holes in wood, consisting of a crank-shaped turning device, the brace, that grips and rotates the hole-cutting tool ...
Dec 16, 2020 · Bow – this is a stick or branch about the length of your fingertip to your shoulder blade. It is a curved arch shape, with a piece of string ...
A simple rotational hand-operated tool of prehistoric origin, used as a fire drill for ignition, or for other drilling tasks such as woodwork and dentistry.
The drill is twisted into the bow and is held between the hearth board and bearing block. The assembly is kept secure and sturdy by securing the hearth board to ...
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A simple rotational hand-operated tool of prehistoric origin, used as a fire drill for ignition , or for other drilling tasks such as woodwork and dentistry ...
The earliest known use of the noun bow-drill is in the 1860s. OED's only evidence for bow-drill is from 1865, in the writing of Edward Tylor, anthropologist ...
It basically works by spinning a piece of wood in a socket of another piece of wood. This creates an extremely small coal, which, with the utmost care, can be ...
A fire drill is a device to start a fire by friction between a rapidly rotating wooden rod (the spindle or shaft) and a cavity on a stationary wood piece ...