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44 blueprints available
Blueprints (44)
The Cantilever Bridge
Mark විසින්
Mathematics
1
0
0
0
0
0
The Theodolite
Astro විසින්
Astrometry
1
0
0
0
1
0
Vernier Caliper
Mark විසින්
Mechanics
15
0
0
0
1
0
Bevel Protractor
Mark විසින්
Mathematics
17
0
0
0
0
0
Cloverleaf Interchange
Mark විසින්
Mathematics
22
0
0
0
0
0
Hollerith Tabulator
Mark විසින්
Computational
19
0
0
0
0
0
Burroughs Calculating Machine
Mark විසින්
SCIENCES
17
0
0
0
0
0
Cash Register
Mark විසින්
SCIENCES
25
0
0
0
0
0
Slide Rule
Emma විසින්
SCIENCES
20
0
0
0
0
0
Perspective Frame
Mark විසින්
SCIENCES
20
0
0
0
0
0
Self-Working Card Trick
Mark විසින්
Card Tricks
19
0
0
0
0
0
Volvelle Wheel Chart
Mark විසින්
Pop-Up
37
0
0
0
0
0
Monochord
Penny විසින්
Acoustics
21
0
0
0
0
0
Zero and Place-Value — Build an Abacus and Count Like the World Does
Mark විසින්
Middle Ages
25
0
0
0
0
0
Projectile Motion — Launch a Ball and Measure Its Flight
Penny විසින්
Scientific Revolution (1600–1760)
19
0
0
0
0
0
Hooke's Law — Stretch a Spring and Find Its Stiffness
Penny විසින්
School Projects 11-15
21
0
0
0
0
0
The Pendulum — Time a Swing and Weigh Gravity
Martin විසින්
Scientific Revolution (1600–1760)
18
0
0
0
0
0
The Sand Reckoner — Count the Grains and Tame Huge Numbers
Mark විසින්
Ancient
21
0
0
0
0
0
Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
Penny විසින්
Scientific Revolution (1600–1760)
22
0
0
0
0
0
Magic Squares — Arrange Numbers So Every Line Adds the Same
Mark විසින්
Ancient
15
0
0
0
0
0