Class 7 Economical Stainless Steel Cylindrical Weight, For rough weighing operations in physical and chemical laboratories, such as force measuring apparatus. 2000g
Density Set - Aluminium, Set of 12 aluminium cylindrical bars of different length but the same diameter. Students learn that the density of a substance is constanteven as its mass and volume change. Comes in an attractive wooden holder
Class 7 Economical Stainless Steel Cylindrical Weight, For rough weighing operations in physical and chemical laboratories, such as force measuring apparatus. 20g
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