Top
X
SHOW TOPICS
HOME
TOPICS
- Arts & Crafts
- Astronomy
- Computers
- Do it Yourself
- Education
- Finance
- Food
- General Knowledge
- Hacks
- Health
- Industries
- Music
- Nature
- Personalities
- Practical Engineering
- Products & Services
- Science
- Social Science
- Songs
- Spirituality
- Sports
- Sports
- Stories
- Talks & Interviews
- Technology
- Vehicles
MEMBER
Logout
Where DO screws come from?(14)
Your browser does not support the video tag.
Your browser does not support the audio element.
Introduction (
00:00
)
Waterscrews (
00:54
)
Fruit presses (
01:48
)
Worm Drive (
04:08
)
Internal thread cutting (
05:24
)
Dioptra (
07:19
)
Armor screws (
07:50
)
Screws vs bolts (
08:17
)
Armor part II (
09:01
)
Early screw drivers (
09:26
)
Medieval House book (
09:47
)
Löffelholz Kodex (
13:01
)
Ediphone (
15:22
)
Conclusion (
17:31
)
0.001466035 seconds
