Sea clocks: the story of longitude
Author:
Publisher:
Margaret K. McElderry Books
Publication Date:
2003
Language:
English
Accelerated Reader:
IL: MG - BL: 5.5 - AR Points: 1
Lexile measure:
910L
Description
"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.
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.
Subjects
Subjects
Biographies
Chronometers
Chronometers -- History -- Juvenile literature
Clock and watch makers
Clock and watch makers -- Great Britain -- Biography -- Juvenile literature
Clocks and watches
Clocks and watches -- Juvenile literature
Harrison, John
Harrison, John, -- 1693-1776 -- Juvenile literature
History
Inventors
Inventors -- Juvenile literature
Longitude
Longitude -- Juvenile literature
Longitude -- Measurement -- History -- Juvenile literature
Measurement
Chronometers
Chronometers -- History -- Juvenile literature
Clock and watch makers
Clock and watch makers -- Great Britain -- Biography -- Juvenile literature
Clocks and watches
Clocks and watches -- Juvenile literature
Harrison, John
Harrison, John, -- 1693-1776 -- Juvenile literature
History
Inventors
Inventors -- Juvenile literature
Longitude
Longitude -- Juvenile literature
Longitude -- Measurement -- History -- Juvenile literature
Measurement
More Details
Contributors:
ISBN:
9780689842160
Accelerated Reader:
MG
Level 5.5, 1 Points
Level 5.5, 1 Points
Lexile measure:
910L
Staff View
QR Code
Grouping Information
Grouped Work ID | 237b9bf4-ce68-beee-d533-ed596e1fcd34 |
---|---|
Grouping Title | sea clocks the story of longitude |
Grouping Author | louise borden |
Grouping Category | book |
Grouping Language | English (eng) |
Last Grouping Update | 2024-09-07 13:16:04PM |
Last Indexed | 2024-09-07 04:51:15AM |
Solr Fields
accelerated_reader_interest_level
MG
accelerated_reader_point_value
1
accelerated_reader_reading_level
5.5
auth_author2
Blegvad, Erik
author
Borden, Louise
author2-role
Blegvad, Erik,illustrator
author_display
Borden, Louise
available_at_cable
Cable Forest Lodge Library
detailed_location_cable
Cable Juvenile Nonfiction
display_description
This is the story of John Harrison, an Englishman, who worked timelesslly for more than forty years to create a perfect sea clock.
format_cable
Book
format_category_cable
Books
id
237b9bf4-ce68-beee-d533-ed596e1fcd34
isbn
9780689842160
itype_cable
BOOK - HARDCOVER
last_indexed
2024-09-07T09:51:15.304Z
lexile_score
910
literary_form
Non Fiction
literary_form_full
Non Fiction
local_callnumber_cable
J 526.62 BLE
owning_library_cable
Cable Forest Lodge Library
owning_location_cable
Cable Forest Lodge Library
primary_isbn
9780689842160
publishDate
2003
publisher
Margaret K. McElderry Books
recordtype
grouped_work
subject_facet
Biographies
Chronometers -- History -- Juvenile literature
Clock and watch makers -- Great Britain -- Biography -- Juvenile literature
Clocks and watches -- Juvenile literature
Harrison, John, -- 1693-1776 -- Juvenile literature
Inventors -- Juvenile literature
Longitude -- Juvenile literature
Longitude -- Measurement -- History -- Juvenile literature
Chronometers -- History -- Juvenile literature
Clock and watch makers -- Great Britain -- Biography -- Juvenile literature
Clocks and watches -- Juvenile literature
Harrison, John, -- 1693-1776 -- Juvenile literature
Inventors -- Juvenile literature
Longitude -- Juvenile literature
Longitude -- Measurement -- History -- Juvenile literature
title_display
Sea clocks : the story of longitude
title_full
Sea clocks : the story of longitude / by Louise Borden ; illustrated by Erik Blegvad
title_short
Sea clocks
title_sub
the story of longitude
topic_facet
Chronometers
Clock and watch makers
Clocks and watches
Harrison, John
History
Inventors
Longitude
Measurement
Clock and watch makers
Clocks and watches
Harrison, John
History
Inventors
Longitude
Measurement
Solr Details Tables
item_details
Bib Id | Item Id | Shelf Location | Call Num | Format | Format Category | Num Copies | Is Order Item | Is eContent | eContent Source | eContent URL | Detailed Status | Last Checkin | Location |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ils:.b14651762 | .i20782858 | Cable Juvenile Nonfiction | J 526.62 BLE | 1 | false | false | Available | cajnf |
record_details
Bib Id | Format | Format Category | Edition | Language | Publisher | Publication Date | Physical Description | Abridged |
---|---|---|---|---|---|---|---|---|
ils:.b14651762 | Book | Books | English | Margaret K. McElderry Books | 2003 | 1 volume (unpaged) : illustrations (some color) ; 26 cm |
scoping_details_cable
Bib Id | Item Id | Grouped Status | Status | Locally Owned | Available | Holdable | Bookable | In Library Use Only | Library Owned | Holdable PTypes | Bookable PTypes | Local Url |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ils:.b14651762 | .i20782858 | On Shelf | Available | false | true | true | false | false | true | 9999 |