| Subject | English | Italian |
| nat.res. | circular black scale | cocciniglia di Florida (Chrysomphalus aonidum, Chrysomphalus ficus) |
| nat.res. | circular purple scale | cocciniglia di Florida (Chrysomphalus aonidum, Chrysomphalus ficus) |
| earth.sc. | circular scale | scala circolare |
| earth.sc. | circular scale | cerchio graduato |
| nat.res. | circular scale | cocciniglia di Florida (Chrysomphalus aonidum, Chrysomphalus ficus) |
| econ., environ., tech. | circular scale polarimeter | polarimetro a scala circolare |