| Id Number | 231 |
| Object Title | Aneroid Barometer |
| Manufacturer | Unknown |
| Date of Object | Unknown |
| Model | Unknown |
| Serial Number | Uknown |
| Dimensions | 18 x 4.5 cm; 7' x 1 3/4'' |
| Material | Wood; Glass; Metal |
| Id Number | 232 |
| Object Title | Aneroid Barometer |
| Manufacturer | Unknown |
| Date of Object | Unknown |
| Model | Unknown |
| Serial Number | Unknown |
| Dimensions | 20 x 4.5 cm; 7 3/4'' x 1 3/4'' |
| Material | Wood; Metal; Glass; Ceramic |
| Id Number | 233 |
| Object Title | Aneroid Barometer |
| Manufacturer | R. H. Co. |
| Date of Object | Unknown |
| Model | Unknown |
| Serial Number | Unknown |
| Dimensions | 19 x 5.75 cm; 7 1/2'' x 2 1/4'' |
| Material | Wood; Glass; Ceramic; Metal |