Second Law Of Motion Apparatus, 25 Cm Long Unit Has A 10 mm Rod. It May Be Horizontally Clamped To A Support Stand Or Table Clamp. Complete With Two Steel Balls, Substantial Metal Casting And The Entire Mechanism Is Visible, The Spring Gun Offers Two Tensions
Resonance Tube Apparatus, Long version, Material: Acrylic, Mounted on retort stand with clamp and boss, with metal vessel, connecting tubing and spring clip supported on iron ring, Dimension: 120cm