. Practical physics. Fig. 18. Method of weighing a body under water Specific gravity of body = Weight of body Weight of water displaced Making application of Archimedes principle, we have c -n -^ i? 1 1 Weight of body Specific gravity of body = „ ^ • i . •— ,— ^ ° Loss 01 weight m water Fig. 18 shows a common method of weighing under Akchimeues (287-212 )(Bust in Nai^les Museum) The celebrated geometrician of antiquity; lived at Syracuse,Sicily; first made a determination of tt and computed the areaof the circle; discovered the laws of the lever and was author ofthe famous saying,

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. Practical physics. Fig. 18. Method of weighing a body under water Specific gravity of body = Weight of body Weight of water displaced Making application of Archimedes principle, we have c -n -^ i? 1 1 Weight of body Specific gravity of body = „ ^ • i . •— ,— ^ ° Loss 01 weight m water Fig. 18 shows a common method of weighing under Akchimeues (287-212 )(Bust in Nai^les Museum) The celebrated geometrician of antiquity; lived at Syracuse,Sicily; first made a determination of tt and computed the areaof the circle; discovered the laws of the lever and was author ofthe famous saying, Give me where I may stand and I will movethe world; discovered the laws of flotation; invented variousdevices for repelling the attacks of the Romans in the siege ofSyracuse; on the capture of the city, while in the act of drawinggeometrical figures in a dish of sand, he was killed by a Romansoldier to whom he cried out, Dont spoil my circle

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectphysics, bookyear1922