Precipitation Sensors
| Id Number | 256 |
| Object Title | Graduated Cylinder |
| Manufacturer | Casella London |
| Date of Object | Unknown |
| Model | Unknown |
| Serial Number | Unknown |
| Dimensions | 27 x 3.5 cm; 10 1/2'' x 1 1/2'' |
| Material | Glass |
| Id Number | 341 |
| Object Title | Graduated Cylinder Rain Gauge |
| Manufacturer | O. H. Johns Glass Co. Ltd. |
| Date of Object | Unknown |
| Model | Unknown |
| Serial Number | Unknown |
| Dimensions | 23 cm x 3 cm; 9'' x 1 1/4'' |
| Material | Glass |