Class number details
681 : Precision instruments and other devices |
Library items with class number 681 (10)
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Looks at how early civilizations thought about and measured time, discusses attempts to make time visible, and examines the invention of the clock and its effects on the course of world history.127 pages / illustrations (some color) / 25 cmprinted textGalardonado con el prestigioso premio Rhône-Poulenc de divulgación científica para jóvenes, este estupendo libro es una introducción fascinante a un mundo extraordinario. Contiene magníficas fotografías que te enseñarán cómo son las cosas si las[...]People used sundials and calendars to keep track of time long before the invention of stylish wristwatches and radio alarm clocks. This book provides kids with an in-depth look at the development of both ancient and modern-day timepieces.32 pages / colour illustrations / 21 x 24 cmprinted textClocks tell us the time. There are many different kinds of clocks.; AT-Main Library ; AT-Main Library ; CC-Main Library ; CC-Main Library ; CC-Main Library ; EC-Main Library ; EC-Main Library ; EC-Main LibraryLa robótica móvil, a menudo artíttica y divertida, es una ciencia y una técnica en desarrollo, actualmente al alcance de todo el mundo gracias a la caída de los precios y a la fiabilidad de los componentes electrónicos hoy día disponibles.Includes index.A broad look at all aspects of time, from the changing seasons to timekeeping past and present.29, [3] pages / illustrations (some color) / 25 cmprinted text