The Apparatus of Frictionless Motion on the Two Dimensional Plane. (Position and Time can be recorded)
二次元面内無まさつ永久運動実験器について

Ryokichi OKAZAKI
Journal of Koshien Junior College  
doi:10.24699/koshient.1.0_34 fatcat:c3zahi5zcbgc5p5agrpvrd7yry