| 000 | 00826nam a22001817a 4500 | ||
|---|---|---|---|
| 999 |
_c71491 _d71491 |
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| 005 | 20210517015035.0 | ||
| 008 | 210517b ||||| |||| 00| 0 eng d | ||
| 020 | _a9780531265864 | ||
| 040 | _cgslrc | ||
| 082 | _aSC R19 2012 | ||
| 100 |
_aRau, Dana Meachen. _94507 |
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| 245 |
_aSimple machines / _cDana Meachen Rau. |
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| 260 |
_aNew York: _bScholastic, _c2012. |
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| 300 | _a48 pages. | ||
| 520 | _aHow did workers in ancient civilizations move the huge stones they used to build cities? They rolled the stones over logs much like a modern-day conveyor belt. Inside, you'll find: -How humans have used simple machines throughout history; -A timeline, photos- and how simple machines can be combined to do different jobs; -Surprising TRUE facts that will shock and amaze you! | ||
| 526 | _c780L | ||
| 942 |
_2ddc _cBK |
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