Presents a history of clocks and discusses the ways ancient people recorded time, the early calendars of the Sumerians, Egyptians, Mayas, and Babylonians, as well as mechanical clocks, pendulum clocks, and wristwatches.
Orphaned by the brutal murder of their parents, Anne and her gentle but mute brother suffer great hardships as they travel across a dangerous, pestilence-ridden Europe to their uncle, an armorer and clockmaker, and, after his death, to a distant city to deliver the commissioned plans of his precious clock.
Looks at some of the many different methods people have used to tell time throughout history, and discusses the standardization of time around the world. Includes a glossary.
Follows two bears through a time-punctuated day. Supplementary sections include activities associated with time and introduce concepts from a.m. and p.m. to digital clocks.
Chronicles the history of clocks from their origins in eleventh-century China through the atomic clocks of the twentieth century, tracing their technological evolution and featuring color photos of significant pieces.
