ago
your electrical drill. drill. electrical your 7500 years years 7500
hand drill and the ones in in ones the and drill hand Pakistan
hi!
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making hole hole making
treat his patients. his treat
could spin faster, faster, spin could
that used a drill to to drill a used that
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7500 years ago ago years 7500
drill was invented. invented. was drill
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that eat the soil away. Scary! away. soil the eat that Step 3: speed 3: Step
a lot of turning discs (a bit like circular saw blades) blades) saw circular like bit (a discs turning of lot a
away.
also known as moles. The front of the machine has has machine the of front The moles. as known also the hole. the
in the very hole it made. it hole very the in
blow the sawdust sawdust the blow
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while the stick gets stuck stuck gets stick the while
having to stop to to stop to having
and the wood and helps helps and wood the and
material. But after a a after But material.
drilling, without without drilling,
space between the stick stick the between space
on a piece of softer softer of piece a on concrete walls. walls. concrete
Now you could go on on go could you Now
hole. The sand provides provides sand The hole.
great for making holes in in holes making for great spinning a pointy stick stick pointy a spinning
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putting some sand in the the in sand some putting
hammer drill is a hand tool and and tool hand a is drill hammer could make holes by by holes make could
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down city walls. Nowadays the the Nowadays walls. city down
people discovered they they discovered people
Step 2: sand 2: Step
(made of whole trees!) to tear tear to trees!) whole of (made Around 35,000 BC BC 35,000 Around
time. They used very big ones ones big very used They time. twist and turn! and twist
drills and beats at the same same the at beats and drills
out of the hole. the of out
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Don’t know. Don’t
hammer drill was invented. It It invented. was drill hammer dust to be transferred transferred be to dust
In the Middle Ages the the Ages Middle the In - saw the allow that
spiral shaped grooves grooves shaped spiral
invented?
day drill bit 1861. It has has It 1861. bit drill day
how was it it was how
invented the modern modern the invented
This drill, drill, This
Steven A. Morse Morse A. Steven
Hey Ro, Hey hey!
1. Your drill The Big Fat Book is a project by Astrid Poot. Make your own bow drill! And that’s chapter 2! the Big Fat Book This is what you need: Your bow: Stick We plan to make the full fifty chapters on all - a flexible branch the drill bit into the tools on our poster, one by one. by Max (like willow, 1 meter) the core of the elder Each with some history, nice facts and lots - rope branch or the cork-stick. of DIY ideas for home and schools. & Ro Fasten with duct tape if necessary. Your drill: We’ll do it all together with the - A piece of elder international maker-community. (You!) (30cm long, 2cm thick) 2. Make Cut off the lateral We’ll make all chapters available for free or a rigid thin branch (30cm long) elder has a your branches and tie your through our website. (CC: BY-NC-ND 4.0) nice soft core and a cork bow willow branch into a bow. 2. - a drill bit Do you like our project and want to keep track - duct tape of it? Or do you want to join in? 3. Twist the drill into the bow Please follow our progress and get in touch: Twist it once. When it is hard, the www.lekkersamenklooien.nl. tension on your bow is good! You’ll also find a free download of the. 50 tools poster there. 4. Drill! Or find me on Twitter: @astridpoot.
Put the eggcup in reallyflexible <3 love, Astrid
willow is is willow one hand, with the drill in it. Push gently. For the drilling: Move the bow with - an eggcup your other don’t need hand to drill. Does it work? the egg! Available soon: 3. concrete