How do seesaws go up and down?
a book about simple machines
Teaches readers how simple machines work, looking at the wheel and axle, lever, pulley, and more.
9781486714865
book
Holdings
| hid | mid | miid | nid | wid | location_code | location | barcode | callnum | dewey | created | updated |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1707531 | 5319810 | 2430 | 647842 | 845384 | BPBA | 116 | BPBA018655 | 621.8 SHA | 621.8 | 1582575937 | 1742569409 |