Logo

Machines at Work by Mary Elting

Large book cover: Machines at Work

Machines at Work
by

Publisher: Harvey House
ISBN/ASIN: B0006AY0EG
Number of pages: 100

Description:
People have always been able to work and build wonderful things, using just their muscles. And they can do a very great deal more when they use their brains, too. They can invent machines to make work thousands of times easier and faster.

Home page url

Download or read it online for free here:
Download link
(multiple formats)

Similar books

Book cover: The First Book of TreesThe First Book of Trees
by - Watts
America is a land of trees. They grow almost everywhere in our country. Most of us see them so often that we sometimes forget how important they are. You can think of many things that we wouldn't have if there were no trees.
(7746 views)
Book cover: The Travels of BirdsThe Travels of Birds
by - D Appleton & Company
Birds are the greatest travelers in the world. The bird traveler asks help from no one. He has no use for locomotives, automobiles or steamships. He carries no chart and no compass, and he can go to some parts of the world still unknown to man.
(6260 views)
Book cover: Dr. Eleanor's Book of Common AntsDr. Eleanor's Book of Common Ants
by - Your Wild Life
Dr. Eleanor is an entomologist with a knack for telling good stories, especially about the secret lives of her favorite insects: the ANTS! In this new guide, Dr. Eleanor delights readers young and old with tales of our tiny insect neighbors.
(8135 views)
Book cover: Rick Brant's Science ProjectsRick Brant's Science Projects
by - Applewood Books
A non-fiction companion volume to the collectible Rick Brant Science-Adventure Series. This reprint includes easy-to-read chapters about codes and ciphers, slingshots and archery, microscopes and radios, tricks and games, and scientific experiments.
(7706 views)