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Explains the concepts of latitude and longitude as well as the purpose of the compass rose on a map.
This eleventh edition was developed during the encyclopaedia's transition from a British to an American publication. Some of its articles were written by the best-known scholars of the time and it is considered to be a landmark encyclopaedia for scholarship and literary style.
Laugh and learn with fun facts about mapmakers, geography, compasses, and more—all told in Dr. Seuss’s beloved rhyming style and starring the Cat in the Hat! “You may travel the world, but no matter how far, with a map on your lap you will know where you are.” The Cat in the Hat’s Learning Library series combines beloved characters, engaging rhymes, and Seussian illustrations to introduce children to non-fiction topics from the real world! Go on a journey and learn: • how to read the latitude and longitude lines on a map • why a hiker uses a topographical map • why mapmakers use a scale and legends • and much more! Perfect for story time and for the youngest readers, There’s a Map on My Lap! All About Maps also includes an index, glossary, and suggestions for further learning. Look for more books in the Cat in the Hat’s Learning Library series! If I Ran the Horse Show: All About Horses Clam-I-Am! All About the Beach Miles and Miles of Reptiles: All About Reptiles A Whale of a Tale! All About Porpoises, Dolphins, and Whales Safari, So Good! All About African Wildlife Oh, the Lavas That Flow! All About Volcanoes Out of Sight Till Tonight! All About Nocturnal Animals What Cat Is That? All About Cats Once upon a Mastodon: All About Prehistoric Mammals Oh Say Can You Say What's the Weather Today? All About Weather The Cat on the Mat: All About Mindfulness
The dramatic human story of an epic scientific quest and of one man's forty-year obsession to find a solution to the thorniest scientific dilemma of the day--"the longitude problem." Anyone alive in the eighteenth century would have known that "the longitude problem" was the thorniest scientific dilemma of the day-and had been for centuries. Lacking the ability to measure their longitude, sailors throughout the great ages of exploration had been literally lost at sea as soon as they lost sight of land. Thousands of lives and the increasing fortunes of nations hung on a resolution. One man, John Harrison, in complete opposition to the scientific community, dared to imagine a mechanical solution-a clock that would keep precise time at sea, something no clock had ever been able to do on land. Longitude is the dramatic human story of an epic scientific quest and of Harrison's forty-year obsession with building his perfect timekeeper, known today as the chronometer. Full of heroism and chicanery, it is also a fascinating brief history of astronomy, navigation, and clockmaking, and opens a new window on our world.
Two remarkable Iranian world-maps were discovered in 1989 and 1995. Both are made of brass and date from 17th-century Iran. Mecca is at the centre and a highly sophisticated longitude and latitude grid enables the user to determine the direction and distance to Mecca for anywhere in the world between Andalusia and China. Prior to the discovery of these maps it was thought that such cartographic grids were conceived in Europe ca. 1910. This richly-illustrated book presents an overview of the ways in which Muslims over the centuries have determined the sacred direction towards Mecca (qibla) and then describes the two world-maps in detail. The author shows that the geographical data derives from a 15th-century Central Asian source and that the mathematics underlying the grid was developed in 9th-century Baghdad.