"Every-day Science: Volume 7. The Conquest of Time and Space" by Henry Smith Williams et al. is a scientific publication written in the early 20th century. This volume explores the advancements and applications of scientific principles that have enabled humanity to transcend traditional limitations of time and space, highlighting the development of various modes of transportation including steamships, locomotives, and aeroplanes. The opening of the volume begins by contrasting the geographical knowledge of ancient civilizations with contemporary understanding, emphasizing the significant advancements made since the advent of the mariner's compass. The text delves into the history of navigation, detailing key innovations such as the sextant and chronometer that have facilitated exploration and travel. Additionally, it introduces notable explorers who expanded the known world, setting the stage for a deeper examination of transportation technologies in the subsequent chapters. (This is an automatically generated summary.)