00558nam a2200205Ia 45000010006000000050017000060070003000230080041000260400025000670410008000920820020001001000020001202450080001402500014002202600050002343000019002846530012003036530023003156530014003382086620240114000534.0ta060227s1894           g     b000 u 465 u  aCotton College,Assam  a465  a531.51bP 877 M  aPoynting, J.H.. 0aThe Mean Density of the Earth: An Essay /cJ.H.Poynting.hTextual Documents  a1st ed. /  aLondon :bCharles Griffin & Co. Ltd. ,c1894.  a156p. ;c22cm.  aPhysics  aMean Density-Earth  aG-Physics