PLANES--
Device by Mercury in Inclined Glass Tube and Heavy Ball
on Inclined Plane; Series of Inclined Planes; Devices
by Oscillating Trough and Cannon Balls; Unpublished
Inclined Plane and Weights Devices Noted by the Author 68-75
PLANES--
Device by Mercury in Inclined Glass Tube and Heavy Ball
on Inclined Plane; Series of Inclined Planes; Devices
by Oscillating Trough and Cannon Balls; Unpublished
Inclined Plane and Weights Devices Noted by the Author 68-75