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Show The Shadow of Science. It Is bard to believe that a shadow i pnhably the oiIk'ii of all ustrono ileal, geoini trli-al and geographical i !eiu e. The tlrsl man who lined lis taff perpendicularly In the gtouiid ml measured Its shadow was the aiiiest computer of time, and the i rnb of today who plants his sar In he sand and marks wheie the shadow alls Is his direct descendant. It Is i (in the shadow of a gnomon that he early I'gyptlans told the length if the year It Is from the shadow of gnomon that the Inhabitants of l'p ier Fgyt still measure the hours of iurk for a water wheel. In this case he gnomon Is a Ihiirni stalk support-d support-d on forked uprights and dtita north ud south. Fast and west are pegs n the ground, evenly iniuklng the pare of earth bitwein sunrise and unset. In a land of constant sun ti I no a shadow was the primitive hronomrter. It was alio tho rliu live foot rule. |