Machines at Work
by Mary Elting
Publisher: Harvey House 1962
Number of pages: 100
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:
by Frank M. Chapman - 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.
by Mary Elting - Garden City Books
Sam is the fireman on a big freight locomotive. When Sam was a little boy, he listened to his father and grandfather talking railroad talk. They used all kinds of words that he didn't understand. They had wonderful nicknames for each other.
by John Blaine - 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.
by John Cargill Brough - Griffith and Farran
To place before the youthful student a compact and concise compendium of the leading and most universally important branches of Science has been my principal object in the preparation of this little volume. Fanciful sketches illustrate these pages.