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Demonstrations 181  200 of 840
The Graham Clock Escapement
Active Shock Absorbers
Mechanism for Drawing a Logarithmic Spiral
The Polar Planimeter
Scrambler Ride
Linearized Solution for a Mass Attached to Two Springs
Fundamental Theorem of Arithmetic
Gridiron Pendulum
Antipodes
Whole Year Calendar in One Table
Motion of Pendulum with Varying Length
Length Scales in the Solar System
Collocation by Chi Square
Leonardo da Vinci's Ornithopter
Astronomical Clock
Equality of a Segment and an Arc in Archimedes's Spiral
Nicomedes's Mechanism for Constructing a Conchoid
Mechanism for Constructing Regular Polygons
Open and Closed Belt Drive
Primitive Pythagorean Triples on a Curvilinear Grid Defined by Euclid's Formula
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