DrawingMachines.org

An archive of optical/mechanical/automated drawing machines/devices/aids

Category

Geometric Drafting

Tags

WF Stanley 1800s 1850-1900 Uses a pointer Used for design drafting Uses mechanical linkages Illustrates mathematical principles From a reference book

Conchoidograph

W. F. Stanley

1888

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William Ford Stanley, A Descriptive Treatise on Mathematical Instruments, 6th Edition (London, 1888)