The bow drill is an ancient tool. While it was usually used to make fire, it was also used for primitive woodworking and dentistry. It consists of a bearing block or handhold, a spindle or drill, a hearth or fireboard, and a simple bow. Related drills include the pump drill and the hand drill.
Other articles related to "drill, bow drill, bow":
... The hand drill is suggested to be the oldest method of fire by friction, characterized by the use of a thin, straightened wooden shaft or reed to be spun with the hands, grinding within a ... The bow drill uses the same principle as the hand drill (friction by rotation of wood on wood), but the spindle is shorter, wider (about the size of a human's thumb) and driven by a bow, which allows longer ... With a well-built bow drill and enough practice, fire can be easily created even in wet conditions ...
... The hand drill is a similar method, but uses a longer, thinner spindle and instead of a bearing block and bow combination, the downward pressure and spinning is ... As the hands move downward to the base, where the drill is pinched and the hands are brought quickly to the top one at a time ... This can be made unnecessary by cutting a nock at the top of the drill, tying a cord through this, and then putting your thumbs through loops in the cord ...
Famous quotes containing the words drill and/or bow:
“Swift blazing flag of the regiment,
Eagle with crest of red and gold,
These men were born to drill and die.
Point for them the virtue of slaughter,
Make plain to them the excellence of killing
And a field where a thousand corpses lie.”
—Stephen Crane (18711900)
“And long shall timorous fancy see
The painted chief, and pointed spear,
And Reasons self shall bow the knee
To shadows and delusions here.”
—Philip Freneau (17521832)