Sea Clocks The Story of Longitude By Louise Borden

By Generic

Sold and shipped by

$48.20 In Stock

Oh no! The item you are looking at is out of stock online.
Enter your email address and we’ll notify you if the item comes back in stock in the next 30 days.

Please enter a valid email address.
Please select a specific item above, including all attributes such as size and colour.
The service is currently unavailable. Please try back again later.
Add to List
Where can you get it? When can you get it? How much does it cost?

from your location

How can you get it? When can you get it? How much does it cost?
Where can you get it? Is it available? What is the price in-store?

Description & Features+

"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...
48 pages


Product Identifiers
Model #

Return Policy+

Retrieving the return policy from this seller

If you buy something online but it's not everything you dreamed it to be, no worries! We're here for you.


 > Return Policy

You can return this item within 90 days from the day you receive your online order.

There are two easy ways to return this item:

  • Return this item to a Walmart store
  • Return this item by mail

From the Manufacturer +

Ratings & Reviews+

Q & A+



Store details