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Pulling Up: The Pulley - Robotx Gerry Bailey
Pulling Up: The Pulley - Robotx
Gerry Bailey
Pulling Up explores the benefits and uses of the pulley. This clever device uses rope wound over a grooved wheel to help lift heavy loads. RobbO and RobbEE use a pulley to remove the engine from their car.
32 pages, colour illustrations
| 介质类型 | 图书 Paperback Book (平装胶订图书) |
| 已发行 | 2014年2月28日 |
| ISBN13 | 9780778704232 |
| 出版商 | Crabtree Publishing Co,US |
| 页数 | 32 |
| 商品尺寸 | 197 × 256 × 4 mm · 148 g |
| 插画师 | Spoor, Mike |
