CONTENTS
Title Page
Introduction
JavaSketchPad an Introduction
1.
Pantograph, 1603
2.
Watts Parallel Motion, 1784
3.
Scott Russell Linkage, 1803
4.
Chebyshev Linkage, ~1850
5.
Sarrus Linkage, 1853
6.
Peaucellier Linkage, 1864
7.
Hoekens Linkage
1869 Case steam engine : : Image Copyrighted by Historylink101.com & found at Story of Farming