synthesis of four-bar linkage for 3 coupler positions

[url]http://www.geogebraitalia.org/engineering/synthesis-of-four-bar-linkage-for-3-coupler-positions/[/url]

[url]http://www.geogebraitalia.org/engineering/synthesis-of-four-bar-linkage-for-3-coupler-positions/[/url]