Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “296. The Derivation of an Efficiency Factor and Its Application to a Torsional System for Determining Mass Moments of Inertia” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 296. The Derivation of an Efficiency Factor and Its Application to a Torsional System for Determining Mass Moments of Inertia $20.00 296. The Derivation of an Efficiency Factor and Its Application to a Torsional System for Determining Mass Moments of Inertia quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $20.00 Tax $0.00 Total $20.00 Proceed to checkout