Text and pictures introduce the pulley, a simple machine used primarily to lift heavy objects.
hid | mid | miid | nid | wid | location_code | location | barcode | callnum | dewey | created | updated |
---|---|---|---|---|---|---|---|---|---|---|---|
678297 | 4423983 | 2165 | 188591 | 281687 | FAJA | 175 | FAJA701628 | 621.8 MAR | 621.8 | 1579893772 | 1708963493 |