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Show - -' iljJjLjy cLivUUUC WATER POWER I fj "lHS MAN WHO PIK5T MEASURED THE FORCE OF AN OCEAN WAVE Jp WAS THOMAS STEVENSON. FATHER OF ROBERT LOUIS STEVENSON. KSS HE INVENTED THE PYNAMOMETEZ.AW WITH THIS INSTRUMENT (vj. 'iy''k PISCOVEESD THAT THE FORCE OF A WAVE COULD BE AS GREAT SzJ a ; ( I AS 6000 POUNDS TO THE SQUARE INCH Svi? l?fyik LOW-COST EXPLORATION I f'lJ 4& E VAST UNUERTAKINS OF LEWIS AND CLARK IN MAPPIN& litT "Si A LARSE PORTION OF UNKNOWN AMERICA VWVSg, 'y-l$if&r FINANCED BV A FEDERAL APPROPRIATION y3qFlr9 |