Balances Spring ?ó?é¼?ǣ Dual Scale Metal 2000gm 20N Capacity_1000mL Square section aluminum 42 inch bench graduated Square section aluminum 42 inch bench graduated in 1cm steps along its 100cm rail Used to test how mass per length controls pitch 2000gm 20N Flat form case with large easily read scale in Metric and Newton range
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Balances Spring ?ó?é¼?ǣ Dual Scale Metal 2000gm / 20N Capacity_1000mL Square-section aluminum 42-inch bench graduated