Instructions for using readily available materials to make working models of different kinds of clocks with suggested experiments to discover how they work.
| hid | mid | miid | nid | wid | location_code | location | barcode | callnum | dewey | created | updated |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2987881 | 6452838 | 2407 | 142796 | 220006 | PCE | 301 | PCP0000630 | 529 Won | 529 | 1637782573 | 1736800991 |