Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “23. The Value of a Pound” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 2409. Addressing Uncertainty in Weight Estimates $20.00 2409. Addressing Uncertainty in Weight Estimates quantity $20.00 × 288. Secondary Force Standards for the Calibrating Weighing Equipment $20.00 288. Secondary Force Standards for the Calibrating Weighing Equipment quantity $20.00 × 7. Predetermination of Weight Efficiency $20.00 7. Predetermination of Weight Efficiency quantity $20.00 × 2407. Aeroelastic Effects on the Weight of an Aircraft in the Pre-Design Phase $20.00 2407. Aeroelastic Effects on the Weight of an Aircraft in the Pre-Design Phase quantity $20.00 × 23. The Value of a Pound $20.00 23. The Value of a Pound quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $100.00 Tax $0.00 Total $100.00 Proceed to checkout