Text and illustrations describe the six simple machines upon which all others are based; these include the pulley, the lever, the wheel, the inclined plane, the wedge, and the screw
"synopsis" may belong to another edition of this title.
Seller: Better World Books, Mishawaka, IN, U.S.A.
Condition: Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 54015579-6
Seller: BooksRun, Philadelphia, PA, U.S.A.
Paperback. Condition: Fair. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way. Seller Inventory # 0816701679-7-1
Seller: Hastings of Coral Springs, Altamonte Springs, FL, U.S.A.
30 pages, illustrated. The extremities are worn. The covers are lightly soiled. Multiple names are written on the interior. The interior is age-toned. Seller Inventory # 25425
Seller: Wonder Book, Frederick, MD, U.S.A.
Condition: Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. Seller Inventory # G07J-00972