官方藏书 / Science_-_Chemistry_Biochemistry / Boys' second book of inventions

Boys' second book of inventions

Ray Stannard Baker · Science_-_Chemistry_Biochemistry · 6 章

目录

CHAPTER I THE MIRACLE OF RADIUM Story of the Marvels and Dangers of the New Element Discovered by Professor and Madame Curie CHAPTER III THE EARTHQUAKE MEASURER Professor John Milne's Seismograph CHAPTER V HARNESSING THE SUN The Solar Motor CHAPTER VII MARCONI AND HIS GREAT ACHIEVEMENTS New Experiments in Wireless Telegraphy CHAPTER VIII SEA-BUILDERS The Story of Lighthouse Building—Stone-tower Lighthouses, Iron Pile Lighthouses, and Steel Cylinder Lighthouses THE FULL PROJECT GUTENBERG™ LICENSE