NASA NTRS · 19710011604
Ellipsograph for pantograph Patent
Abstract
Ellipsograph for describing and cutting ellipses with minimal axial dimensions
Keep this discovery
Explore connections, maps & timelines
Winn, L. E.. 1968-01-23. Ellipsograph for pantograph Patent. https://ntrs.nasa.gov/citations/19710011604
Cite the original work for its findings. Save a collection to share your selection of sources.