|
|
Sold Out
Book Categories |
"For hundreds of years ships had been sailing to places far and near without really knowing where they were!"
Sailors knew how to measure latitude, their location north or south of the equator, but they could not measure longitude, their location east or west of their home port. Because of this, many lives were lost worldwide. The key to solving this problem lay in devising a clock that could keep absolutely accurate time while at sea, unaltered by rough water or weather conditions. With such a timekeeper sailors would be able to know the time back at their home port and calculate the longitude. But no one knew how to design such a clock.
John Harrison (1693-1776), an Englishman without any scientific training, worked tirelessly for more than forty years to create a perfect clock. The solution to this problem was so important that an award of 20,000 pounds sterling (equal to several million dollars today) was established by the English Parliament in 1714. Harrison won recognition for his work in 1773.
Together with beautifully detailed pictures by Erik Blegvad, Louise Borden's text takes the reader through the drama, disappointments, and successes that filled Harrison's quest to invent the perfect sea clock.
| Price | Condition | Delivery | Seller | Action |
| $99.99 | Digital |
| WonderClub |
Toshirou Ogata
reviewed Sea Clocks: The Story of Longitude on April 18, 2018
Sea Clocks: The Story of Longitude
For many years sailors knew how to measure latitude for their location of north or south of the equator. But they could not measure longitude of their location east or west of their home. This caused many people to die because getting to a certain location was hard. To solve this problem a certain clock was made so that this wouldn't happen anymore. John Harrison worked for more than forty years to create the perfect clock.
This picture book is great for introducing longitude and latitude to an elementary class. Something that I would read before learning that lesson. The pictures are also fun to look at.
Login|Complaints|Blog|Games|Digital Media|Souls|Obituary|Contact Us|FAQ
CAN'T FIND WHAT YOU'RE LOOKING FOR? CLICK HERE!!! X
You must be logged in to add to WishlistX
This item is in your Wish List
X
This item is in your Collection
Sea Clocks: The Story of Longitude
X
This Item is in Your Inventory
Sea Clocks: The Story of Longitude
X
You must be logged in to review the productsX
X
X
Add Sea Clocks: The Story of Longitude, For hundreds of years ships had been sailing to places far and near without really knowing where they were! Sailors knew how to measure latitude, their location north or south of the equator, but they could not measure longitude, their , Sea Clocks: The Story of Longitude to the inventory that you are selling on WonderClubX
X
Add Sea Clocks: The Story of Longitude, For hundreds of years ships had been sailing to places far and near without really knowing where they were! Sailors knew how to measure latitude, their location north or south of the equator, but they could not measure longitude, their , Sea Clocks: The Story of Longitude to your collection on WonderClub |
