| Id Number | 50 |
| Object Title | Aneroid Barometer; Thermometer |
| Manufacturer | Unknown |
| Date of Object | Unknown |
| Model | Unknown |
| Serial Number | Unknown |
| Dimensions | 48 x 23.5 x 6 cm; 19'' x 9 1/4'' x 2 1/4'' |
| Material | Wood; Glass; Metal; Ceramic; Mercury |
| Id Number | 51 |
| Object Title | Aneroid Barometer; Thermometer |
| Manufacturer | Unknown |
| Date of Object | Unknown |
| Model | Unknown |
| Serial Number | Unknown |
| Dimensions | 70 x 30.5 x 6.5 cm; 27 1/2'' x 12'' x 2 1/2'' |
| Material | Wood; Glass; Metal |
| Id Number | 52 |
| Object Title | Mercury Cistern Barometer |
| Manufacturer | W.M. Welch Scientific Company |
| Date of Object | from 1934 |
| Model | Unknown |
| Serial Number | Unknown |
| Dimensions | 95 x 5 cm; 37'' x 2'' |
| Material | Metal; Glass; Mercury |