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
Segmented Lung, This high quality Segment Lung Model shows the lungs with representation of the bronchial tree close to the heart, trachea, oesophagus and aorta